2810860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{569}}^1$

素因数の和:610

約数の個数: 48

約数和(自身を含む): 6703200

約数和(自身を除く): 3892340

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 569, 988, 1138, 1235, 2276, 2470, 2845, 4940, 5690, 7397, 10811, 11380, 14794, 21622, 29588, 36985, 43244, 54055, 73970, 108110, 140543, 147940, 216220, 281086, 562172, 702715, 1405430, 2810860]

約数ペア:

[(1, 2810860), (2, 1405430), (4, 702715), (5, 562172), (10, 281086), (13, 216220), (19, 147940), (20, 140543), (26, 108110), (38, 73970), (52, 54055), (65, 43244), (76, 36985), (95, 29588), (130, 21622), (190, 14794), (247, 11380), (260, 10811), (380, 7397), (494, 5690), (569, 4940), (988, 2845), (1138, 2470), (1235, 2276)]