142775380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{10639}}^1$

素因数の和:10720

約数の個数: 48

約数和(自身を含む): 332478720

約数和(自身を除く): 189703340

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 110, 122, 220, 244, 305, 610, 671, 1220, 1342, 2684, 3355, 6710, 10639, 13420, 21278, 42556, 53195, 106390, 117029, 212780, 234058, 468116, 585145, 648979, 1170290, 1297958, 2340580, 2595916, 3244895, 6489790, 7138769, 12979580, 14277538, 28555076, 35693845, 71387690, 142775380]

約数ペア:

[(1, 142775380), (2, 71387690), (4, 35693845), (5, 28555076), (10, 14277538), (11, 12979580), (20, 7138769), (22, 6489790), (44, 3244895), (55, 2595916), (61, 2340580), (110, 1297958), (122, 1170290), (220, 648979), (244, 585145), (305, 468116), (610, 234058), (671, 212780), (1220, 117029), (1342, 106390), (2684, 53195), (3355, 42556), (6710, 21278), (10639, 13420)]