141380920

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{57943}}^1$

素因数の和:58015

約数の個数: 32

約数和(自身を含む): 323327520

約数和(自身を除く): 181946600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 57943, 115886, 231772, 289715, 463544, 579430, 1158860, 2317720, 3534523, 7069046, 14138092, 17672615, 28276184, 35345230, 70690460, 141380920]

約数ペア:

[(1, 141380920), (2, 70690460), (4, 35345230), (5, 28276184), (8, 17672615), (10, 14138092), (20, 7069046), (40, 3534523), (61, 2317720), (122, 1158860), (244, 579430), (305, 463544), (488, 289715), (610, 231772), (1220, 115886), (2440, 57943)]