74891810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{179}}^1$

素因数の和:375

約数の個数: 64

約数和(自身を含む): 159667200

約数和(自身を除く): 84775390

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 70, 86, 139, 179, 215, 278, 301, 358, 430, 602, 695, 895, 973, 1253, 1390, 1505, 1790, 1946, 2506, 3010, 4865, 5977, 6265, 7697, 9730, 11954, 12530, 15394, 24881, 29885, 38485, 41839, 49762, 53879, 59770, 76970, 83678, 107758, 124405, 174167, 209195, 248810, 269395, 348334, 418390, 538790, 870835, 1069883, 1741670, 2139766, 5349415, 7489181, 10698830, 14978362, 37445905, 74891810]

約数ペア:

[(1, 74891810), (2, 37445905), (5, 14978362), (7, 10698830), (10, 7489181), (14, 5349415), (35, 2139766), (43, 1741670), (70, 1069883), (86, 870835), (139, 538790), (179, 418390), (215, 348334), (278, 269395), (301, 248810), (358, 209195), (430, 174167), (602, 124405), (695, 107758), (895, 83678), (973, 76970), (1253, 59770), (1390, 53879), (1505, 49762), (1790, 41839), (1946, 38485), (2506, 29885), (3010, 24881), (4865, 15394), (5977, 12530), (6265, 11954), (7697, 9730)]