197919540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{281}}^1$

素因数の和:359

約数の個数: 288

約数和(自身を含む): 758774016

約数和(自身を除く): 560854476

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 43, 45, 52, 60, 63, 65, 70, 78, 84, 86, 90, 91, 105, 117, 126, 129, 130, 140, 156, 172, 180, 182, 195, 210, 215, 234, 252, 258, 260, 273, 281, 301, 315, 364, 387, 390, 420, 430, 455, 468, 516, 546, 559, 562, 585, 602, 630, 645, 774, 780, 819, 843, 860, 903, 910, 1092, 1118, 1124, 1170, 1204, 1260, 1290, 1365, 1405, 1505, 1548, 1638, 1677, 1686, 1806, 1820, 1935, 1967, 2236, 2340, 2529, 2580, 2709, 2730, 2795, 2810, 3010, 3276, 3354, 3372, 3612, 3653, 3870, 3913, 3934, 4095, 4215, 4515, 5031, 5058, 5418, 5460, 5590, 5620, 5901, 6020, 6708, 7306, 7740, 7826, 7868, 8190, 8385, 8430, 9030, 9835, 10062, 10116, 10836, 10959, 11180, 11739, 11802, 12083, 12645, 13545, 14612, 15652, 16380, 16770, 16860, 17703, 18060, 18265, 19565, 19670, 20124, 21918, 23478, 23604, 24166, 25155, 25290, 25571, 27090, 29505, 32877, 33540, 35217, 35406, 36249, 36530, 39130, 39340, 43836, 46956, 48332, 50310, 50580, 51142, 54180, 54795, 58695, 59010, 60415, 65754, 70434, 70812, 72498, 73060, 76713, 78260, 84581, 88515, 100620, 102284, 108747, 109590, 117390, 118020, 120830, 127855, 131508, 140868, 144996, 153426, 157079, 164385, 169162, 176085, 177030, 181245, 217494, 219180, 230139, 234780, 241660, 253743, 255710, 306852, 314158, 328770, 338324, 352170, 354060, 362490, 383565, 422905, 434988, 460278, 471237, 507486, 511420, 543735, 628316, 657540, 704340, 724980, 761229, 767130, 785395, 845810, 920556, 942474, 1014972, 1087470, 1099553, 1150695, 1268715, 1413711, 1522458, 1534260, 1570790, 1691620, 1884948, 2174940, 2199106, 2301390, 2356185, 2537430, 2827422, 3044916, 3141580, 3298659, 3806145, 4398212, 4602780, 4712370, 5074860, 5497765, 5654844, 6597318, 7068555, 7612290, 9424740, 9895977, 10995530, 13194636, 14137110, 15224580, 16493295, 19791954, 21991060, 28274220, 32986590, 39583908, 49479885, 65973180, 98959770, 197919540]

約数ペア:

[(1, 197919540), (2, 98959770), (3, 65973180), (4, 49479885), (5, 39583908), (6, 32986590), (7, 28274220), (9, 21991060), (10, 19791954), (12, 16493295), (13, 15224580), (14, 14137110), (15, 13194636), (18, 10995530), (20, 9895977), (21, 9424740), (26, 7612290), (28, 7068555), (30, 6597318), (35, 5654844), (36, 5497765), (39, 5074860), (42, 4712370), (43, 4602780), (45, 4398212), (52, 3806145), (60, 3298659), (63, 3141580), (65, 3044916), (70, 2827422), (78, 2537430), (84, 2356185), (86, 2301390), (90, 2199106), (91, 2174940), (105, 1884948), (117, 1691620), (126, 1570790), (129, 1534260), (130, 1522458), (140, 1413711), (156, 1268715), (172, 1150695), (180, 1099553), (182, 1087470), (195, 1014972), (210, 942474), (215, 920556), (234, 845810), (252, 785395), (258, 767130), (260, 761229), (273, 724980), (281, 704340), (301, 657540), (315, 628316), (364, 543735), (387, 511420), (390, 507486), (420, 471237), (430, 460278), (455, 434988), (468, 422905), (516, 383565), (546, 362490), (559, 354060), (562, 352170), (585, 338324), (602, 328770), (630, 314158), (645, 306852), (774, 255710), (780, 253743), (819, 241660), (843, 234780), (860, 230139), (903, 219180), (910, 217494), (1092, 181245), (1118, 177030), (1124, 176085), (1170, 169162), (1204, 164385), (1260, 157079), (1290, 153426), (1365, 144996), (1405, 140868), (1505, 131508), (1548, 127855), (1638, 120830), (1677, 118020), (1686, 117390), (1806, 109590), (1820, 108747), (1935, 102284), (1967, 100620), (2236, 88515), (2340, 84581), (2529, 78260), (2580, 76713), (2709, 73060), (2730, 72498), (2795, 70812), (2810, 70434), (3010, 65754), (3276, 60415), (3354, 59010), (3372, 58695), (3612, 54795), (3653, 54180), (3870, 51142), (3913, 50580), (3934, 50310), (4095, 48332), (4215, 46956), (4515, 43836), (5031, 39340), (5058, 39130), (5418, 36530), (5460, 36249), (5590, 35406), (5620, 35217), (5901, 33540), (6020, 32877), (6708, 29505), (7306, 27090), (7740, 25571), (7826, 25290), (7868, 25155), (8190, 24166), (8385, 23604), (8430, 23478), (9030, 21918), (9835, 20124), (10062, 19670), (10116, 19565), (10836, 18265), (10959, 18060), (11180, 17703), (11739, 16860), (11802, 16770), (12083, 16380), (12645, 15652), (13545, 14612)]