618263180

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1\times {\mathrm{5581}}^1$

素因数の和:5810

約数の個数: 48

約数和(自身を含む): 1350397440

約数和(自身を除く): 732134260

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 191, 290, 382, 580, 764, 955, 1910, 3820, 5539, 5581, 11078, 11162, 22156, 22324, 27695, 27905, 55390, 55810, 110780, 111620, 161849, 323698, 647396, 809245, 1065971, 1618490, 2131942, 3236980, 4263884, 5329855, 10659710, 21319420, 30913159, 61826318, 123652636, 154565795, 309131590, 618263180]

約数ペア:

[(1, 618263180), (2, 309131590), (4, 154565795), (5, 123652636), (10, 61826318), (20, 30913159), (29, 21319420), (58, 10659710), (116, 5329855), (145, 4263884), (191, 3236980), (290, 2131942), (382, 1618490), (580, 1065971), (764, 809245), (955, 647396), (1910, 323698), (3820, 161849), (5539, 111620), (5581, 110780), (11078, 55810), (11162, 55390), (22156, 27905), (22324, 27695)]