679901420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^3\times {\mathrm{25541}}^1$

素因数の和:25583

約数の個数: 48

約数和(自身を含む): 1570526496

約数和(自身を除く): 890625076

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 1331, 2420, 2662, 5324, 6655, 13310, 25541, 26620, 51082, 102164, 127705, 255410, 280951, 510820, 561902, 1123804, 1404755, 2809510, 3090461, 5619020, 6180922, 12361844, 15452305, 30904610, 33995071, 61809220, 67990142, 135980284, 169975355, 339950710, 679901420]

約数ペア:

[(1, 679901420), (2, 339950710), (4, 169975355), (5, 135980284), (10, 67990142), (11, 61809220), (20, 33995071), (22, 30904610), (44, 15452305), (55, 12361844), (110, 6180922), (121, 5619020), (220, 3090461), (242, 2809510), (484, 1404755), (605, 1123804), (1210, 561902), (1331, 510820), (2420, 280951), (2662, 255410), (5324, 127705), (6655, 102164), (13310, 51082), (25541, 26620)]