91581740

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{271}}^1\times {\mathrm{277}}^1$

素因数の和:618

約数の個数: 48

約数和(自身を含む): 196904064

約数和(自身を除く): 105322324

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 271, 277, 305, 542, 554, 610, 1084, 1108, 1220, 1355, 1385, 2710, 2770, 5420, 5540, 16531, 16897, 33062, 33794, 66124, 67588, 75067, 82655, 84485, 150134, 165310, 168970, 300268, 330620, 337940, 375335, 750670, 1501340, 4579087, 9158174, 18316348, 22895435, 45790870, 91581740]

約数ペア:

[(1, 91581740), (2, 45790870), (4, 22895435), (5, 18316348), (10, 9158174), (20, 4579087), (61, 1501340), (122, 750670), (244, 375335), (271, 337940), (277, 330620), (305, 300268), (542, 168970), (554, 165310), (610, 150134), (1084, 84485), (1108, 82655), (1220, 75067), (1355, 67588), (1385, 66124), (2710, 33794), (2770, 33062), (5420, 16897), (5540, 16531)]