348515570

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{619}}^1$

素因数の和:771

約数の個数: 64

約数和(自身を含む): 697455360

約数和(自身を除く): 348939790

約数列:

[1, 2, 5, 10, 13, 26, 61, 65, 71, 122, 130, 142, 305, 355, 610, 619, 710, 793, 923, 1238, 1586, 1846, 3095, 3965, 4331, 4615, 6190, 7930, 8047, 8662, 9230, 16094, 21655, 37759, 40235, 43310, 43949, 56303, 75518, 80470, 87898, 112606, 188795, 219745, 281515, 377590, 439490, 490867, 563030, 571337, 981734, 1142674, 2454335, 2680889, 2856685, 4908670, 5361778, 5713370, 13404445, 26808890, 34851557, 69703114, 174257785, 348515570]

約数ペア:

[(1, 348515570), (2, 174257785), (5, 69703114), (10, 34851557), (13, 26808890), (26, 13404445), (61, 5713370), (65, 5361778), (71, 4908670), (122, 2856685), (130, 2680889), (142, 2454335), (305, 1142674), (355, 981734), (610, 571337), (619, 563030), (710, 490867), (793, 439490), (923, 377590), (1238, 281515), (1586, 219745), (1846, 188795), (3095, 112606), (3965, 87898), (4331, 80470), (4615, 75518), (6190, 56303), (7930, 43949), (8047, 43310), (8662, 40235), (9230, 37759), (16094, 21655)]