42628040

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{239}}^1$

素因数の和:284

約数の個数: 128

約数和(自身を含む): 120960000

約数和(自身を除く): 78331960

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 91, 98, 104, 130, 140, 182, 196, 239, 245, 260, 280, 343, 364, 392, 455, 478, 490, 520, 637, 686, 728, 910, 956, 980, 1195, 1274, 1372, 1673, 1715, 1820, 1912, 1960, 2390, 2548, 2744, 3107, 3185, 3346, 3430, 3640, 4459, 4780, 5096, 6214, 6370, 6692, 6860, 8365, 8918, 9560, 11711, 12428, 12740, 13384, 13720, 15535, 16730, 17836, 21749, 22295, 23422, 24856, 25480, 31070, 33460, 35672, 43498, 44590, 46844, 58555, 62140, 66920, 81977, 86996, 89180, 93688, 108745, 117110, 124280, 152243, 163954, 173992, 178360, 217490, 234220, 304486, 327908, 409885, 434980, 468440, 608972, 655816, 761215, 819770, 869960, 1065701, 1217944, 1522430, 1639540, 2131402, 3044860, 3279080, 4262804, 5328505, 6089720, 8525608, 10657010, 21314020, 42628040]

約数ペア:

[(1, 42628040), (2, 21314020), (4, 10657010), (5, 8525608), (7, 6089720), (8, 5328505), (10, 4262804), (13, 3279080), (14, 3044860), (20, 2131402), (26, 1639540), (28, 1522430), (35, 1217944), (40, 1065701), (49, 869960), (52, 819770), (56, 761215), (65, 655816), (70, 608972), (91, 468440), (98, 434980), (104, 409885), (130, 327908), (140, 304486), (182, 234220), (196, 217490), (239, 178360), (245, 173992), (260, 163954), (280, 152243), (343, 124280), (364, 117110), (392, 108745), (455, 93688), (478, 89180), (490, 86996), (520, 81977), (637, 66920), (686, 62140), (728, 58555), (910, 46844), (956, 44590), (980, 43498), (1195, 35672), (1274, 33460), (1372, 31070), (1673, 25480), (1715, 24856), (1820, 23422), (1912, 22295), (1960, 21749), (2390, 17836), (2548, 16730), (2744, 15535), (3107, 13720), (3185, 13384), (3346, 12740), (3430, 12428), (3640, 11711), (4459, 9560), (4780, 8918), (5096, 8365), (6214, 6860), (6370, 6692)]