138291500

素因数分解:

$2^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{14557}}^1$

素因数の和:14595

約数の個数: 48

約数和(自身を含む): 317946720

約数和(自身を除く): 179655220

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 125, 190, 250, 380, 475, 500, 950, 1900, 2375, 4750, 9500, 14557, 29114, 58228, 72785, 145570, 276583, 291140, 363925, 553166, 727850, 1106332, 1382915, 1455700, 1819625, 2765830, 3639250, 5531660, 6914575, 7278500, 13829150, 27658300, 34572875, 69145750, 138291500]

約数ペア:

[(1, 138291500), (2, 69145750), (4, 34572875), (5, 27658300), (10, 13829150), (19, 7278500), (20, 6914575), (25, 5531660), (38, 3639250), (50, 2765830), (76, 1819625), (95, 1455700), (100, 1382915), (125, 1106332), (190, 727850), (250, 553166), (380, 363925), (475, 291140), (500, 276583), (950, 145570), (1900, 72785), (2375, 58228), (4750, 29114), (9500, 14557)]