490147240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1113971}}^1$

素因数の和:1113993

約数の個数: 32

約数和(自身を含む): 1203089760

約数和(自身を除く): 712942520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 1113971, 2227942, 4455884, 5569855, 8911768, 11139710, 12253681, 22279420, 24507362, 44558840, 49014724, 61268405, 98029448, 122536810, 245073620, 490147240]

約数ペア:

[(1, 490147240), (2, 245073620), (4, 122536810), (5, 98029448), (8, 61268405), (10, 49014724), (11, 44558840), (20, 24507362), (22, 22279420), (40, 12253681), (44, 11139710), (55, 8911768), (88, 5569855), (110, 4455884), (220, 2227942), (440, 1113971)]