1248215830

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1\times {\mathrm{313}}^1$

素因数の和:629

約数の個数: 64

約数和(自身を含む): 2405491200

約数和(自身を除く): 1157275370

約数列:

[1, 2, 5, 10, 19, 38, 95, 139, 151, 190, 278, 302, 313, 626, 695, 755, 1390, 1510, 1565, 2641, 2869, 3130, 5282, 5738, 5947, 11894, 13205, 14345, 20989, 26410, 28690, 29735, 41978, 43507, 47263, 59470, 87014, 94526, 104945, 209890, 217535, 236315, 398791, 435070, 472630, 797582, 826633, 897997, 1653266, 1795994, 1993955, 3987910, 4133165, 4489985, 6569557, 8266330, 8979970, 13139114, 32847785, 65695570, 124821583, 249643166, 624107915, 1248215830]

約数ペア:

[(1, 1248215830), (2, 624107915), (5, 249643166), (10, 124821583), (19, 65695570), (38, 32847785), (95, 13139114), (139, 8979970), (151, 8266330), (190, 6569557), (278, 4489985), (302, 4133165), (313, 3987910), (626, 1993955), (695, 1795994), (755, 1653266), (1390, 897997), (1510, 826633), (1565, 797582), (2641, 472630), (2869, 435070), (3130, 398791), (5282, 236315), (5738, 217535), (5947, 209890), (11894, 104945), (13205, 94526), (14345, 87014), (20989, 59470), (26410, 47263), (28690, 43507), (29735, 41978)]