42705020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:219

約数の個数: 96

約数和(自身を含む): 102187008

約数和(自身を除く): 59481988

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 43, 46, 68, 85, 86, 92, 115, 127, 170, 172, 215, 230, 254, 340, 391, 430, 460, 508, 635, 731, 782, 860, 989, 1270, 1462, 1564, 1955, 1978, 2159, 2540, 2921, 2924, 3655, 3910, 3956, 4318, 4945, 5461, 5842, 7310, 7820, 8636, 9890, 10795, 10922, 11684, 14605, 14620, 16813, 19780, 21590, 21844, 27305, 29210, 33626, 43180, 49657, 54610, 58420, 67252, 84065, 92837, 99314, 109220, 125603, 168130, 185674, 198628, 248285, 251206, 336260, 371348, 464185, 496570, 502412, 628015, 928370, 993140, 1256030, 1856740, 2135251, 2512060, 4270502, 8541004, 10676255, 21352510, 42705020]

約数ペア:

[(1, 42705020), (2, 21352510), (4, 10676255), (5, 8541004), (10, 4270502), (17, 2512060), (20, 2135251), (23, 1856740), (34, 1256030), (43, 993140), (46, 928370), (68, 628015), (85, 502412), (86, 496570), (92, 464185), (115, 371348), (127, 336260), (170, 251206), (172, 248285), (215, 198628), (230, 185674), (254, 168130), (340, 125603), (391, 109220), (430, 99314), (460, 92837), (508, 84065), (635, 67252), (731, 58420), (782, 54610), (860, 49657), (989, 43180), (1270, 33626), (1462, 29210), (1564, 27305), (1955, 21844), (1978, 21590), (2159, 19780), (2540, 16813), (2921, 14620), (2924, 14605), (3655, 11684), (3910, 10922), (3956, 10795), (4318, 9890), (4945, 8636), (5461, 7820), (5842, 7310)]