29001980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{10903}}^1$

素因数の和:10938

約数の個数: 48

約数和(自身を含む): 73274880

約数和(自身を除く): 44272900

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 10903, 21806, 43612, 54515, 76321, 109030, 152642, 207157, 218060, 305284, 381605, 414314, 763210, 828628, 1035785, 1450099, 1526420, 2071570, 2900198, 4143140, 5800396, 7250495, 14500990, 29001980]

約数ペア:

[(1, 29001980), (2, 14500990), (4, 7250495), (5, 5800396), (7, 4143140), (10, 2900198), (14, 2071570), (19, 1526420), (20, 1450099), (28, 1035785), (35, 828628), (38, 763210), (70, 414314), (76, 381605), (95, 305284), (133, 218060), (140, 207157), (190, 152642), (266, 109030), (380, 76321), (532, 54515), (665, 43612), (1330, 21806), (2660, 10903)]