816973340

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{401}}^1$

素因数の和:579

約数の個数: 96

約数和(自身を含む): 1854268416

約数和(自身を除く): 1037295076

約数列:

[1, 2, 4, 5, 10, 20, 23, 43, 46, 86, 92, 103, 115, 172, 206, 215, 230, 401, 412, 430, 460, 515, 802, 860, 989, 1030, 1604, 1978, 2005, 2060, 2369, 3956, 4010, 4429, 4738, 4945, 8020, 8858, 9223, 9476, 9890, 11845, 17243, 17716, 18446, 19780, 22145, 23690, 34486, 36892, 41303, 44290, 46115, 47380, 68972, 82606, 86215, 88580, 92230, 101867, 165212, 172430, 184460, 203734, 206515, 344860, 396589, 407468, 413030, 509335, 793178, 826060, 949969, 1018670, 1586356, 1776029, 1899938, 1982945, 2037340, 3552058, 3799876, 3965890, 4749845, 7104116, 7931780, 8880145, 9499690, 17760290, 18999380, 35520580, 40848667, 81697334, 163394668, 204243335, 408486670, 816973340]

約数ペア:

[(1, 816973340), (2, 408486670), (4, 204243335), (5, 163394668), (10, 81697334), (20, 40848667), (23, 35520580), (43, 18999380), (46, 17760290), (86, 9499690), (92, 8880145), (103, 7931780), (115, 7104116), (172, 4749845), (206, 3965890), (215, 3799876), (230, 3552058), (401, 2037340), (412, 1982945), (430, 1899938), (460, 1776029), (515, 1586356), (802, 1018670), (860, 949969), (989, 826060), (1030, 793178), (1604, 509335), (1978, 413030), (2005, 407468), (2060, 396589), (2369, 344860), (3956, 206515), (4010, 203734), (4429, 184460), (4738, 172430), (4945, 165212), (8020, 101867), (8858, 92230), (9223, 88580), (9476, 86215), (9890, 82606), (11845, 68972), (17243, 47380), (17716, 46115), (18446, 44290), (19780, 41303), (22145, 36892), (23690, 34486)]