229297780

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{6481}}^1$

素因数の和:6580

約数の個数: 48

約数和(自身を含む): 506373840

約数和(自身を除く): 277076060

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 61, 116, 122, 145, 244, 290, 305, 580, 610, 1220, 1769, 3538, 6481, 7076, 8845, 12962, 17690, 25924, 32405, 35380, 64810, 129620, 187949, 375898, 395341, 751796, 790682, 939745, 1581364, 1879490, 1976705, 3758980, 3953410, 7906820, 11464889, 22929778, 45859556, 57324445, 114648890, 229297780]

約数ペア:

[(1, 229297780), (2, 114648890), (4, 57324445), (5, 45859556), (10, 22929778), (20, 11464889), (29, 7906820), (58, 3953410), (61, 3758980), (116, 1976705), (122, 1879490), (145, 1581364), (244, 939745), (290, 790682), (305, 751796), (580, 395341), (610, 375898), (1220, 187949), (1769, 129620), (3538, 64810), (6481, 35380), (7076, 32405), (8845, 25924), (12962, 17690)]