85684060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{55639}}^1$

素因数の和:55666

約数の個数: 48

約数和(自身を含む): 224340480

約数和(自身を除く): 138656420

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 55639, 111278, 222556, 278195, 389473, 556390, 612029, 778946, 1112780, 1224058, 1557892, 1947365, 2448116, 3060145, 3894730, 4284203, 6120290, 7789460, 8568406, 12240580, 17136812, 21421015, 42842030, 85684060]

約数ペア:

[(1, 85684060), (2, 42842030), (4, 21421015), (5, 17136812), (7, 12240580), (10, 8568406), (11, 7789460), (14, 6120290), (20, 4284203), (22, 3894730), (28, 3060145), (35, 2448116), (44, 1947365), (55, 1557892), (70, 1224058), (77, 1112780), (110, 778946), (140, 612029), (154, 556390), (220, 389473), (308, 278195), (385, 222556), (770, 111278), (1540, 55639)]