221538540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{127321}}^1$

素因数の和:127362

約数の個数: 48

約数和(自身を含む): 641702880

約数和(自身を除く): 420164340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 348, 435, 580, 870, 1740, 127321, 254642, 381963, 509284, 636605, 763926, 1273210, 1527852, 1909815, 2546420, 3692309, 3819630, 7384618, 7639260, 11076927, 14769236, 18461545, 22153854, 36923090, 44307708, 55384635, 73846180, 110769270, 221538540]

約数ペア:

[(1, 221538540), (2, 110769270), (3, 73846180), (4, 55384635), (5, 44307708), (6, 36923090), (10, 22153854), (12, 18461545), (15, 14769236), (20, 11076927), (29, 7639260), (30, 7384618), (58, 3819630), (60, 3692309), (87, 2546420), (116, 1909815), (145, 1527852), (174, 1273210), (290, 763926), (348, 636605), (435, 509284), (580, 381963), (870, 254642), (1740, 127321)]