9881036180

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1997}}^1\times {\mathrm{3389}}^1$

素因数の和:5468

約数の個数: 48

約数和(自身を含む): 21051167760

約数和(自身を除く): 11170131580

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 1997, 3389, 3994, 6778, 7988, 9985, 13556, 16945, 19970, 33890, 39940, 67780, 145781, 247397, 291562, 494794, 583124, 728905, 989588, 1236985, 1457810, 2473970, 2915620, 4947940, 6767833, 13535666, 27071332, 33839165, 67678330, 135356660, 494051809, 988103618, 1976207236, 2470259045, 4940518090, 9881036180]

約数ペア:

[(1, 9881036180), (2, 4940518090), (4, 2470259045), (5, 1976207236), (10, 988103618), (20, 494051809), (73, 135356660), (146, 67678330), (292, 33839165), (365, 27071332), (730, 13535666), (1460, 6767833), (1997, 4947940), (3389, 2915620), (3994, 2473970), (6778, 1457810), (7988, 1236985), (9985, 989588), (13556, 728905), (16945, 583124), (19970, 494794), (33890, 291562), (39940, 247397), (67780, 145781)]