30681430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{13883}}^1$

素因数の和:13920

約数の個数: 32

約数和(自身を含む): 62977824

約数和(自身を除く): 32296394

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 13883, 27766, 69415, 138830, 180479, 236011, 360958, 472022, 902395, 1180055, 1804790, 2360110, 3068143, 6136286, 15340715, 30681430]

約数ペア:

[(1, 30681430), (2, 15340715), (5, 6136286), (10, 3068143), (13, 2360110), (17, 1804790), (26, 1180055), (34, 902395), (65, 472022), (85, 360958), (130, 236011), (170, 180479), (221, 138830), (442, 69415), (1105, 27766), (2210, 13883)]