27431320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{313}}^2$

素因数の和:644

約数の個数: 48

約数和(自身を含む): 70763760

約数和(自身を除く): 43332440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 313, 626, 1252, 1565, 2191, 2504, 3130, 4382, 6260, 8764, 10955, 12520, 17528, 21910, 43820, 87640, 97969, 195938, 391876, 489845, 685783, 783752, 979690, 1371566, 1959380, 2743132, 3428915, 3918760, 5486264, 6857830, 13715660, 27431320]

約数ペア:

[(1, 27431320), (2, 13715660), (4, 6857830), (5, 5486264), (7, 3918760), (8, 3428915), (10, 2743132), (14, 1959380), (20, 1371566), (28, 979690), (35, 783752), (40, 685783), (56, 489845), (70, 391876), (140, 195938), (280, 97969), (313, 87640), (626, 43820), (1252, 21910), (1565, 17528), (2191, 12520), (2504, 10955), (3130, 8764), (4382, 6260)]