421859320

素因数分解:

$2^3\times 5^1\times {\mathrm{1723}}^1\times {\mathrm{6121}}^1$

素因数の和:7855

約数の個数: 32

約数和(自身を含む): 949889520

約数和(自身を除く): 528030200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1723, 3446, 6121, 6892, 8615, 12242, 13784, 17230, 24484, 30605, 34460, 48968, 61210, 68920, 122420, 244840, 10546483, 21092966, 42185932, 52732415, 84371864, 105464830, 210929660, 421859320]

約数ペア:

[(1, 421859320), (2, 210929660), (4, 105464830), (5, 84371864), (8, 52732415), (10, 42185932), (20, 21092966), (40, 10546483), (1723, 244840), (3446, 122420), (6121, 68920), (6892, 61210), (8615, 48968), (12242, 34460), (13784, 30605), (17230, 24484)]