2718980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{727}}^1$

素因数の和:764

約数の個数: 48

約数和(自身を含む): 6604416

約数和(自身を除く): 3885436

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 727, 748, 935, 1454, 1870, 2908, 3635, 3740, 7270, 7997, 12359, 14540, 15994, 24718, 31988, 39985, 49436, 61795, 79970, 123590, 135949, 159940, 247180, 271898, 543796, 679745, 1359490, 2718980]

約数ペア:

[(1, 2718980), (2, 1359490), (4, 679745), (5, 543796), (10, 271898), (11, 247180), (17, 159940), (20, 135949), (22, 123590), (34, 79970), (44, 61795), (55, 49436), (68, 39985), (85, 31988), (110, 24718), (170, 15994), (187, 14540), (220, 12359), (340, 7997), (374, 7270), (727, 3740), (748, 3635), (935, 2908), (1454, 1870)]