61885580

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1\times {\mathrm{197}}^1$

素因数の和:458

約数の個数: 48

約数和(自身を含む): 132723360

約数和(自身を除く): 70837780

約数列:

[1, 2, 4, 5, 10, 20, 113, 139, 197, 226, 278, 394, 452, 556, 565, 695, 788, 985, 1130, 1390, 1970, 2260, 2780, 3940, 15707, 22261, 27383, 31414, 44522, 54766, 62828, 78535, 89044, 109532, 111305, 136915, 157070, 222610, 273830, 314140, 445220, 547660, 3094279, 6188558, 12377116, 15471395, 30942790, 61885580]

約数ペア:

[(1, 61885580), (2, 30942790), (4, 15471395), (5, 12377116), (10, 6188558), (20, 3094279), (113, 547660), (139, 445220), (197, 314140), (226, 273830), (278, 222610), (394, 157070), (452, 136915), (556, 111305), (565, 109532), (695, 89044), (788, 78535), (985, 62828), (1130, 54766), (1390, 44522), (1970, 31414), (2260, 27383), (2780, 22261), (3940, 15707)]