2912309780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{419}}^1\times {\mathrm{20443}}^1$

素因数の和:20888

約数の個数: 48

約数和(自身を含む): 6491378880

約数和(自身を除く): 3579069100

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 419, 838, 1676, 2095, 4190, 7123, 8380, 14246, 20443, 28492, 35615, 40886, 71230, 81772, 102215, 142460, 204430, 347531, 408860, 695062, 1390124, 1737655, 3475310, 6950620, 8565617, 17131234, 34262468, 42828085, 85656170, 145615489, 171312340, 291230978, 582461956, 728077445, 1456154890, 2912309780]

約数ペア:

[(1, 2912309780), (2, 1456154890), (4, 728077445), (5, 582461956), (10, 291230978), (17, 171312340), (20, 145615489), (34, 85656170), (68, 42828085), (85, 34262468), (170, 17131234), (340, 8565617), (419, 6950620), (838, 3475310), (1676, 1737655), (2095, 1390124), (4190, 695062), (7123, 408860), (8380, 347531), (14246, 204430), (20443, 142460), (28492, 102215), (35615, 81772), (40886, 71230)]