6491620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{313}}^1$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 14717808

約数和(自身を除く): 8226188

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 61, 68, 85, 122, 170, 244, 305, 313, 340, 610, 626, 1037, 1220, 1252, 1565, 2074, 3130, 4148, 5185, 5321, 6260, 10370, 10642, 19093, 20740, 21284, 26605, 38186, 53210, 76372, 95465, 106420, 190930, 324581, 381860, 649162, 1298324, 1622905, 3245810, 6491620]

約数ペア:

[(1, 6491620), (2, 3245810), (4, 1622905), (5, 1298324), (10, 649162), (17, 381860), (20, 324581), (34, 190930), (61, 106420), (68, 95465), (85, 76372), (122, 53210), (170, 38186), (244, 26605), (305, 21284), (313, 20740), (340, 19093), (610, 10642), (626, 10370), (1037, 6260), (1220, 5321), (1252, 5185), (1565, 4148), (2074, 3130)]