172479940

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{3821}}^1$

素因数の和:3928

約数の個数: 48

約数和(自身を含む): 378194544

約数和(自身を除く): 205714604

約数列:

[1, 2, 4, 5, 10, 20, 37, 61, 74, 122, 148, 185, 244, 305, 370, 610, 740, 1220, 2257, 3821, 4514, 7642, 9028, 11285, 15284, 19105, 22570, 38210, 45140, 76420, 141377, 233081, 282754, 466162, 565508, 706885, 932324, 1165405, 1413770, 2330810, 2827540, 4661620, 8623997, 17247994, 34495988, 43119985, 86239970, 172479940]

約数ペア:

[(1, 172479940), (2, 86239970), (4, 43119985), (5, 34495988), (10, 17247994), (20, 8623997), (37, 4661620), (61, 2827540), (74, 2330810), (122, 1413770), (148, 1165405), (185, 932324), (244, 706885), (305, 565508), (370, 466162), (610, 282754), (740, 233081), (1220, 141377), (2257, 76420), (3821, 45140), (4514, 38210), (7642, 22570), (9028, 19105), (11285, 15284)]