440826620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{16787}}^1$

素因数の和:16910

約数の個数: 48

約数和(自身を含む): 1006877088

約数和(自身を除く): 566050468

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 101, 130, 202, 260, 404, 505, 1010, 1313, 2020, 2626, 5252, 6565, 13130, 16787, 26260, 33574, 67148, 83935, 167870, 218231, 335740, 436462, 872924, 1091155, 1695487, 2182310, 3390974, 4364620, 6781948, 8477435, 16954870, 22041331, 33909740, 44082662, 88165324, 110206655, 220413310, 440826620]

約数ペア:

[(1, 440826620), (2, 220413310), (4, 110206655), (5, 88165324), (10, 44082662), (13, 33909740), (20, 22041331), (26, 16954870), (52, 8477435), (65, 6781948), (101, 4364620), (130, 3390974), (202, 2182310), (260, 1695487), (404, 1091155), (505, 872924), (1010, 436462), (1313, 335740), (2020, 218231), (2626, 167870), (5252, 83935), (6565, 67148), (13130, 33574), (16787, 26260)]