66749020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{1723}}^1$

素因数の和:1894

約数の個数: 48

約数和(自身を含む): 152056800

約数和(自身を除く): 85307780

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 149, 260, 298, 596, 745, 1490, 1723, 1937, 2980, 3446, 3874, 6892, 7748, 8615, 9685, 17230, 19370, 22399, 34460, 38740, 44798, 89596, 111995, 223990, 256727, 447980, 513454, 1026908, 1283635, 2567270, 3337451, 5134540, 6674902, 13349804, 16687255, 33374510, 66749020]

約数ペア:

[(1, 66749020), (2, 33374510), (4, 16687255), (5, 13349804), (10, 6674902), (13, 5134540), (20, 3337451), (26, 2567270), (52, 1283635), (65, 1026908), (130, 513454), (149, 447980), (260, 256727), (298, 223990), (596, 111995), (745, 89596), (1490, 44798), (1723, 38740), (1937, 34460), (2980, 22399), (3446, 19370), (3874, 17230), (6892, 9685), (7748, 8615)]