489734857720

素因数分解:

$2^3\times 5^1\times {\mathrm{9421}}^1\times {\mathrm{1299583}}^1$

素因数の和:1309015

約数の個数: 32

約数和(自身を含む): 1102021240320

約数和(自身を除く): 612286382600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 9421, 18842, 37684, 47105, 75368, 94210, 188420, 376840, 1299583, 2599166, 5198332, 6497915, 10396664, 12995830, 25991660, 51983320, 12243371443, 24486742886, 48973485772, 61216857215, 97946971544, 122433714430, 244867428860, 489734857720]

約数ペア:

[(1, 489734857720), (2, 244867428860), (4, 122433714430), (5, 97946971544), (8, 61216857215), (10, 48973485772), (20, 24486742886), (40, 12243371443), (9421, 51983320), (18842, 25991660), (37684, 12995830), (47105, 10396664), (75368, 6497915), (94210, 5198332), (188420, 2599166), (376840, 1299583)]