489296860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{30851}}^1$

素因数の和:30934

約数の個数: 48

約数和(自身を含む): 1124740512

約数和(自身を除く): 635443652

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 244, 260, 305, 610, 793, 1220, 1586, 3172, 3965, 7930, 15860, 30851, 61702, 123404, 154255, 308510, 401063, 617020, 802126, 1604252, 1881911, 2005315, 3763822, 4010630, 7527644, 8021260, 9409555, 18819110, 24464843, 37638220, 48929686, 97859372, 122324215, 244648430, 489296860]

約数ペア:

[(1, 489296860), (2, 244648430), (4, 122324215), (5, 97859372), (10, 48929686), (13, 37638220), (20, 24464843), (26, 18819110), (52, 9409555), (61, 8021260), (65, 7527644), (122, 4010630), (130, 3763822), (244, 2005315), (260, 1881911), (305, 1604252), (610, 802126), (793, 617020), (1220, 401063), (1586, 308510), (3172, 154255), (3965, 123404), (7930, 61702), (15860, 30851)]