124643870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1$

素因数の和:405

約数の個数: 64

約数和(自身を含む): 252274176

約数和(自身を除く): 127630306

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 157, 197, 310, 314, 394, 403, 785, 806, 985, 1570, 1970, 2015, 2041, 2561, 4030, 4082, 4867, 5122, 6107, 9734, 10205, 12214, 12805, 20410, 24335, 25610, 30535, 30929, 48670, 61070, 61858, 63271, 79391, 126542, 154645, 158782, 309290, 316355, 396955, 402077, 632710, 793910, 804154, 958799, 1917598, 2010385, 4020770, 4793995, 9587990, 12464387, 24928774, 62321935, 124643870]

約数ペア:

[(1, 124643870), (2, 62321935), (5, 24928774), (10, 12464387), (13, 9587990), (26, 4793995), (31, 4020770), (62, 2010385), (65, 1917598), (130, 958799), (155, 804154), (157, 793910), (197, 632710), (310, 402077), (314, 396955), (394, 316355), (403, 309290), (785, 158782), (806, 154645), (985, 126542), (1570, 79391), (1970, 63271), (2015, 61858), (2041, 61070), (2561, 48670), (4030, 30929), (4082, 30535), (4867, 25610), (5122, 24335), (6107, 20410), (9734, 12805), (10205, 12214)]