521606620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{44279}}^1$

素因数の和:44338

約数の個数: 48

約数和(自身を含む): 1190246400

約数和(自身を除く): 668639780

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 380, 589, 620, 1178, 2356, 2945, 5890, 11780, 44279, 88558, 177116, 221395, 442790, 841301, 885580, 1372649, 1682602, 2745298, 3365204, 4206505, 5490596, 6863245, 8413010, 13726490, 16826020, 26080331, 27452980, 52160662, 104321324, 130401655, 260803310, 521606620]

約数ペア:

[(1, 521606620), (2, 260803310), (4, 130401655), (5, 104321324), (10, 52160662), (19, 27452980), (20, 26080331), (31, 16826020), (38, 13726490), (62, 8413010), (76, 6863245), (95, 5490596), (124, 4206505), (155, 3365204), (190, 2745298), (310, 1682602), (380, 1372649), (589, 885580), (620, 841301), (1178, 442790), (2356, 221395), (2945, 177116), (5890, 88558), (11780, 44279)]