489954920

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:153

約数の個数: 256

約数和(自身を含む): 1439424000

約数和(自身を除く): 949469080

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 41, 49, 52, 56, 65, 67, 70, 82, 91, 98, 104, 130, 134, 140, 164, 182, 196, 205, 245, 260, 268, 280, 287, 328, 335, 343, 364, 392, 410, 455, 469, 490, 520, 533, 536, 574, 637, 670, 686, 728, 820, 871, 910, 938, 980, 1066, 1148, 1274, 1340, 1372, 1435, 1640, 1715, 1742, 1820, 1876, 1960, 2009, 2132, 2296, 2345, 2548, 2665, 2680, 2744, 2747, 2870, 3185, 3283, 3430, 3484, 3640, 3731, 3752, 4018, 4264, 4355, 4459, 4690, 5096, 5330, 5494, 5740, 6097, 6370, 6566, 6860, 6968, 7462, 8036, 8710, 8918, 9380, 10045, 10660, 10988, 11480, 12194, 12740, 13132, 13720, 13735, 14063, 14924, 16072, 16415, 17420, 17836, 18655, 18760, 19229, 20090, 21320, 21976, 22295, 22981, 24388, 25480, 26117, 26264, 27470, 28126, 29848, 30485, 32830, 34840, 35672, 35711, 37310, 38458, 40180, 42679, 44590, 45962, 48776, 52234, 54940, 56252, 60970, 65660, 70315, 71422, 74620, 76916, 80360, 85358, 89180, 91924, 96145, 104468, 109880, 112504, 114905, 121940, 130585, 131320, 134603, 140630, 142844, 149240, 153832, 170716, 178360, 178555, 182819, 183848, 192290, 208936, 213395, 229810, 243880, 249977, 261170, 269206, 281260, 285688, 298753, 341432, 357110, 365638, 384580, 426790, 459620, 499954, 522340, 538412, 562520, 597506, 673015, 714220, 731276, 769160, 853580, 914095, 919240, 942221, 999908, 1044680, 1076824, 1195012, 1249885, 1346030, 1428440, 1462552, 1493765, 1707160, 1749839, 1828190, 1884442, 1999816, 2390024, 2499770, 2692060, 2987530, 3499678, 3656380, 3768884, 4711105, 4999540, 5384120, 5975060, 6999356, 7312760, 7537768, 8749195, 9422210, 9999080, 11950120, 12248873, 13998712, 17498390, 18844420, 24497746, 34996780, 37688840, 48995492, 61244365, 69993560, 97990984, 122488730, 244977460, 489954920]

約数ペア:

[(1, 489954920), (2, 244977460), (4, 122488730), (5, 97990984), (7, 69993560), (8, 61244365), (10, 48995492), (13, 37688840), (14, 34996780), (20, 24497746), (26, 18844420), (28, 17498390), (35, 13998712), (40, 12248873), (41, 11950120), (49, 9999080), (52, 9422210), (56, 8749195), (65, 7537768), (67, 7312760), (70, 6999356), (82, 5975060), (91, 5384120), (98, 4999540), (104, 4711105), (130, 3768884), (134, 3656380), (140, 3499678), (164, 2987530), (182, 2692060), (196, 2499770), (205, 2390024), (245, 1999816), (260, 1884442), (268, 1828190), (280, 1749839), (287, 1707160), (328, 1493765), (335, 1462552), (343, 1428440), (364, 1346030), (392, 1249885), (410, 1195012), (455, 1076824), (469, 1044680), (490, 999908), (520, 942221), (533, 919240), (536, 914095), (574, 853580), (637, 769160), (670, 731276), (686, 714220), (728, 673015), (820, 597506), (871, 562520), (910, 538412), (938, 522340), (980, 499954), (1066, 459620), (1148, 426790), (1274, 384580), (1340, 365638), (1372, 357110), (1435, 341432), (1640, 298753), (1715, 285688), (1742, 281260), (1820, 269206), (1876, 261170), (1960, 249977), (2009, 243880), (2132, 229810), (2296, 213395), (2345, 208936), (2548, 192290), (2665, 183848), (2680, 182819), (2744, 178555), (2747, 178360), (2870, 170716), (3185, 153832), (3283, 149240), (3430, 142844), (3484, 140630), (3640, 134603), (3731, 131320), (3752, 130585), (4018, 121940), (4264, 114905), (4355, 112504), (4459, 109880), (4690, 104468), (5096, 96145), (5330, 91924), (5494, 89180), (5740, 85358), (6097, 80360), (6370, 76916), (6566, 74620), (6860, 71422), (6968, 70315), (7462, 65660), (8036, 60970), (8710, 56252), (8918, 54940), (9380, 52234), (10045, 48776), (10660, 45962), (10988, 44590), (11480, 42679), (12194, 40180), (12740, 38458), (13132, 37310), (13720, 35711), (13735, 35672), (14063, 34840), (14924, 32830), (16072, 30485), (16415, 29848), (17420, 28126), (17836, 27470), (18655, 26264), (18760, 26117), (19229, 25480), (20090, 24388), (21320, 22981), (21976, 22295)]