249408020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{23663}}^1$

素因数の和:23720

約数の個数: 48

約数和(自身を含む): 572479488

約数和(自身を除く): 323071468

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 85, 124, 155, 170, 310, 340, 527, 620, 1054, 2108, 2635, 5270, 10540, 23663, 47326, 94652, 118315, 236630, 402271, 473260, 733553, 804542, 1467106, 1609084, 2011355, 2934212, 3667765, 4022710, 7335530, 8045420, 12470401, 14671060, 24940802, 49881604, 62352005, 124704010, 249408020]

約数ペア:

[(1, 249408020), (2, 124704010), (4, 62352005), (5, 49881604), (10, 24940802), (17, 14671060), (20, 12470401), (31, 8045420), (34, 7335530), (62, 4022710), (68, 3667765), (85, 2934212), (124, 2011355), (155, 1609084), (170, 1467106), (310, 804542), (340, 733553), (527, 473260), (620, 402271), (1054, 236630), (2108, 118315), (2635, 94652), (5270, 47326), (10540, 23663)]