290906876

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{3217}}^1$

素因数の和:3318

約数の個数: 48

約数和(自身を含む): 575223936

約数和(自身を除く): 284317060

約数列:

[1, 2, 4, 13, 26, 37, 47, 52, 74, 94, 148, 188, 481, 611, 962, 1222, 1739, 1924, 2444, 3217, 3478, 6434, 6956, 12868, 22607, 41821, 45214, 83642, 90428, 119029, 151199, 167284, 238058, 302398, 476116, 604796, 1547377, 1965587, 3094754, 3931174, 5594363, 6189508, 7862348, 11188726, 22377452, 72726719, 145453438, 290906876]

約数ペア:

[(1, 290906876), (2, 145453438), (4, 72726719), (13, 22377452), (26, 11188726), (37, 7862348), (47, 6189508), (52, 5594363), (74, 3931174), (94, 3094754), (148, 1965587), (188, 1547377), (481, 604796), (611, 476116), (962, 302398), (1222, 238058), (1739, 167284), (1924, 151199), (2444, 119029), (3217, 90428), (3478, 83642), (6434, 45214), (6956, 41821), (12868, 22607)]