407523740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{4517}}^1$

素因数の和:4886

約数の個数: 48

約数和(自身を含む): 924491232

約数和(自身を除く): 516967492

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 347, 694, 1388, 1735, 3470, 4511, 4517, 6940, 9022, 9034, 18044, 18068, 22555, 22585, 45110, 45170, 58721, 90220, 90340, 117442, 234884, 293605, 587210, 1174420, 1567399, 3134798, 6269596, 7836995, 15673990, 20376187, 31347980, 40752374, 81504748, 101880935, 203761870, 407523740]

約数ペア:

[(1, 407523740), (2, 203761870), (4, 101880935), (5, 81504748), (10, 40752374), (13, 31347980), (20, 20376187), (26, 15673990), (52, 7836995), (65, 6269596), (130, 3134798), (260, 1567399), (347, 1174420), (694, 587210), (1388, 293605), (1735, 234884), (3470, 117442), (4511, 90340), (4517, 90220), (6940, 58721), (9022, 45170), (9034, 45110), (18044, 22585), (18068, 22555)]