127019710

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:337

約数の個数: 64

約数和(自身を含む): 248832000

約数和(自身を除く): 121812290

約数列:

[1, 2, 5, 10, 29, 31, 58, 62, 71, 142, 145, 155, 199, 290, 310, 355, 398, 710, 899, 995, 1798, 1990, 2059, 2201, 4118, 4402, 4495, 5771, 6169, 8990, 10295, 11005, 11542, 12338, 14129, 20590, 22010, 28258, 28855, 30845, 57710, 61690, 63829, 70645, 127658, 141290, 178901, 319145, 357802, 409741, 437999, 638290, 819482, 875998, 894505, 1789010, 2048705, 2189995, 4097410, 4379990, 12701971, 25403942, 63509855, 127019710]

約数ペア:

[(1, 127019710), (2, 63509855), (5, 25403942), (10, 12701971), (29, 4379990), (31, 4097410), (58, 2189995), (62, 2048705), (71, 1789010), (142, 894505), (145, 875998), (155, 819482), (199, 638290), (290, 437999), (310, 409741), (355, 357802), (398, 319145), (710, 178901), (899, 141290), (995, 127658), (1798, 70645), (1990, 63829), (2059, 61690), (2201, 57710), (4118, 30845), (4402, 28855), (4495, 28258), (5771, 22010), (6169, 20590), (8990, 14129), (10295, 12338), (11005, 11542)]