613256980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{257671}}^1$

素因数の和:257704

約数の個数: 48

約数和(自身を含む): 1558400256

約数和(自身を除く): 945143276

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 257671, 515342, 1030684, 1288355, 1803697, 2576710, 3607394, 4380407, 5153420, 7214788, 8760814, 9018485, 17521628, 18036970, 21902035, 30662849, 36073940, 43804070, 61325698, 87608140, 122651396, 153314245, 306628490, 613256980]

約数ペア:

[(1, 613256980), (2, 306628490), (4, 153314245), (5, 122651396), (7, 87608140), (10, 61325698), (14, 43804070), (17, 36073940), (20, 30662849), (28, 21902035), (34, 18036970), (35, 17521628), (68, 9018485), (70, 8760814), (85, 7214788), (119, 5153420), (140, 4380407), (170, 3607394), (238, 2576710), (340, 1803697), (476, 1288355), (595, 1030684), (1190, 515342), (2380, 257671)]