2901580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^3\times {\mathrm{109}}^1$

素因数の和:151

約数の個数: 48

約数和(自身を含む): 6763680

約数和(自身を除く): 3862100

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 109, 110, 121, 218, 220, 242, 436, 484, 545, 605, 1090, 1199, 1210, 1331, 2180, 2398, 2420, 2662, 4796, 5324, 5995, 6655, 11990, 13189, 13310, 23980, 26378, 26620, 52756, 65945, 131890, 145079, 263780, 290158, 580316, 725395, 1450790, 2901580]

約数ペア:

[(1, 2901580), (2, 1450790), (4, 725395), (5, 580316), (10, 290158), (11, 263780), (20, 145079), (22, 131890), (44, 65945), (55, 52756), (109, 26620), (110, 26378), (121, 23980), (218, 13310), (220, 13189), (242, 11990), (436, 6655), (484, 5995), (545, 5324), (605, 4796), (1090, 2662), (1199, 2420), (1210, 2398), (1331, 2180)]