25039980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{167}}^1$

素因数の和:213

約数の個数: 216

約数和(自身を含む): 94112928

約数和(自身を除く): 69072948

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 42, 45, 49, 51, 60, 63, 68, 70, 84, 85, 90, 98, 102, 105, 119, 126, 140, 147, 153, 167, 170, 180, 196, 204, 210, 238, 245, 252, 255, 294, 306, 315, 334, 340, 357, 420, 441, 476, 490, 501, 510, 588, 595, 612, 630, 668, 714, 735, 765, 833, 835, 882, 980, 1002, 1020, 1071, 1169, 1190, 1260, 1428, 1470, 1503, 1530, 1666, 1670, 1764, 1785, 2004, 2142, 2205, 2338, 2380, 2499, 2505, 2839, 2940, 3006, 3060, 3332, 3340, 3507, 3570, 4165, 4284, 4410, 4676, 4998, 5010, 5355, 5678, 5845, 6012, 7014, 7140, 7497, 7515, 8183, 8330, 8517, 8820, 9996, 10020, 10521, 10710, 11356, 11690, 12495, 14028, 14195, 14994, 15030, 16366, 16660, 17034, 17535, 19873, 21042, 21420, 23380, 24549, 24990, 25551, 28390, 29988, 30060, 32732, 34068, 35070, 37485, 39746, 40915, 42084, 42585, 49098, 49980, 51102, 52605, 56780, 59619, 70140, 73647, 74970, 79492, 81830, 85170, 98196, 99365, 102204, 105210, 119238, 122745, 127755, 139111, 147294, 149940, 163660, 170340, 178857, 198730, 210420, 238476, 245490, 255510, 278222, 294588, 298095, 357714, 368235, 397460, 417333, 490980, 511020, 556444, 596190, 695555, 715428, 736470, 834666, 894285, 1192380, 1251999, 1391110, 1472940, 1669332, 1788570, 2086665, 2503998, 2782220, 3577140, 4173330, 5007996, 6259995, 8346660, 12519990, 25039980]

約数ペア:

[(1, 25039980), (2, 12519990), (3, 8346660), (4, 6259995), (5, 5007996), (6, 4173330), (7, 3577140), (9, 2782220), (10, 2503998), (12, 2086665), (14, 1788570), (15, 1669332), (17, 1472940), (18, 1391110), (20, 1251999), (21, 1192380), (28, 894285), (30, 834666), (34, 736470), (35, 715428), (36, 695555), (42, 596190), (45, 556444), (49, 511020), (51, 490980), (60, 417333), (63, 397460), (68, 368235), (70, 357714), (84, 298095), (85, 294588), (90, 278222), (98, 255510), (102, 245490), (105, 238476), (119, 210420), (126, 198730), (140, 178857), (147, 170340), (153, 163660), (167, 149940), (170, 147294), (180, 139111), (196, 127755), (204, 122745), (210, 119238), (238, 105210), (245, 102204), (252, 99365), (255, 98196), (294, 85170), (306, 81830), (315, 79492), (334, 74970), (340, 73647), (357, 70140), (420, 59619), (441, 56780), (476, 52605), (490, 51102), (501, 49980), (510, 49098), (588, 42585), (595, 42084), (612, 40915), (630, 39746), (668, 37485), (714, 35070), (735, 34068), (765, 32732), (833, 30060), (835, 29988), (882, 28390), (980, 25551), (1002, 24990), (1020, 24549), (1071, 23380), (1169, 21420), (1190, 21042), (1260, 19873), (1428, 17535), (1470, 17034), (1503, 16660), (1530, 16366), (1666, 15030), (1670, 14994), (1764, 14195), (1785, 14028), (2004, 12495), (2142, 11690), (2205, 11356), (2338, 10710), (2380, 10521), (2499, 10020), (2505, 9996), (2839, 8820), (2940, 8517), (3006, 8330), (3060, 8183), (3332, 7515), (3340, 7497), (3507, 7140), (3570, 7014), (4165, 6012), (4284, 5845), (4410, 5678), (4676, 5355), (4998, 5010)]