311609660

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{6151}}^1$

素因数の和:6326

約数の個数: 48

約数和(自身を含む): 697636800

約数和(自身を除く): 386027140

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 149, 170, 298, 340, 596, 745, 1490, 2533, 2980, 5066, 6151, 10132, 12302, 12665, 24604, 25330, 30755, 50660, 61510, 104567, 123020, 209134, 418268, 522835, 916499, 1045670, 1832998, 2091340, 3665996, 4582495, 9164990, 15580483, 18329980, 31160966, 62321932, 77902415, 155804830, 311609660]

約数ペア:

[(1, 311609660), (2, 155804830), (4, 77902415), (5, 62321932), (10, 31160966), (17, 18329980), (20, 15580483), (34, 9164990), (68, 4582495), (85, 3665996), (149, 2091340), (170, 1832998), (298, 1045670), (340, 916499), (596, 522835), (745, 418268), (1490, 209134), (2533, 123020), (2980, 104567), (5066, 61510), (6151, 50660), (10132, 30755), (12302, 25330), (12665, 24604)]