173994020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{6449}}^1$

素因数の和:6548

約数の個数: 48

約数和(自身を含む): 390096000

約数和(自身を除く): 216101980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 71, 76, 95, 142, 190, 284, 355, 380, 710, 1349, 1420, 2698, 5396, 6449, 6745, 12898, 13490, 25796, 26980, 32245, 64490, 122531, 128980, 245062, 457879, 490124, 612655, 915758, 1225310, 1831516, 2289395, 2450620, 4578790, 8699701, 9157580, 17399402, 34798804, 43498505, 86997010, 173994020]

約数ペア:

[(1, 173994020), (2, 86997010), (4, 43498505), (5, 34798804), (10, 17399402), (19, 9157580), (20, 8699701), (38, 4578790), (71, 2450620), (76, 2289395), (95, 1831516), (142, 1225310), (190, 915758), (284, 612655), (355, 490124), (380, 457879), (710, 245062), (1349, 128980), (1420, 122531), (2698, 64490), (5396, 32245), (6449, 26980), (6745, 25796), (12898, 13490)]