221388670

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{4793}}^1$

素因数の和:4980

約数の個数: 32

約数和(自身を含む): 414201600

約数和(自身を除く): 192812930

約数列:

[1, 2, 5, 10, 31, 62, 149, 155, 298, 310, 745, 1490, 4619, 4793, 9238, 9586, 23095, 23965, 46190, 47930, 148583, 297166, 714157, 742915, 1428314, 1485830, 3570785, 7141570, 22138867, 44277734, 110694335, 221388670]

約数ペア:

[(1, 221388670), (2, 110694335), (5, 44277734), (10, 22138867), (31, 7141570), (62, 3570785), (149, 1485830), (155, 1428314), (298, 742915), (310, 714157), (745, 297166), (1490, 148583), (4619, 47930), (4793, 46190), (9238, 23965), (9586, 23095)]