398319430

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{251}}^1\times {\mathrm{4289}}^1$

素因数の和:4584

約数の個数: 32

約数和(自身を含む): 739458720

約数和(自身を除く): 341139290

約数列:

[1, 2, 5, 10, 37, 74, 185, 251, 370, 502, 1255, 2510, 4289, 8578, 9287, 18574, 21445, 42890, 46435, 92870, 158693, 317386, 793465, 1076539, 1586930, 2153078, 5382695, 10765390, 39831943, 79663886, 199159715, 398319430]

約数ペア:

[(1, 398319430), (2, 199159715), (5, 79663886), (10, 39831943), (37, 10765390), (74, 5382695), (185, 2153078), (251, 1586930), (370, 1076539), (502, 793465), (1255, 317386), (2510, 158693), (4289, 92870), (8578, 46435), (9287, 42890), (18574, 21445)]