221211176140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{1655029}}^1$

素因数の和:1655242

約数の個数: 48

約数和(自身を含む): 478793558880

約数和(自身を除く): 257582382740

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 163, 164, 205, 326, 410, 652, 815, 820, 1630, 3260, 6683, 13366, 26732, 33415, 66830, 133660, 1655029, 3310058, 6620116, 8275145, 16550290, 33100580, 67856189, 135712378, 269769727, 271424756, 339280945, 539539454, 678561890, 1079078908, 1348848635, 1357123780, 2697697270, 5395394540, 11060558807, 22121117614, 44242235228, 55302794035, 110605588070, 221211176140]

約数ペア:

[(1, 221211176140), (2, 110605588070), (4, 55302794035), (5, 44242235228), (10, 22121117614), (20, 11060558807), (41, 5395394540), (82, 2697697270), (163, 1357123780), (164, 1348848635), (205, 1079078908), (326, 678561890), (410, 539539454), (652, 339280945), (815, 271424756), (820, 269769727), (1630, 135712378), (3260, 67856189), (6683, 33100580), (13366, 16550290), (26732, 8275145), (33415, 6620116), (66830, 3310058), (133660, 1655029)]