8682940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{569}}^1$

素因数の和:694

約数の個数: 48

約数和(自身を含む): 21067200

約数和(自身を除く): 12384260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 109, 140, 218, 436, 545, 569, 763, 1090, 1138, 1526, 2180, 2276, 2845, 3052, 3815, 3983, 5690, 7630, 7966, 11380, 15260, 15932, 19915, 39830, 62021, 79660, 124042, 248084, 310105, 434147, 620210, 868294, 1240420, 1736588, 2170735, 4341470, 8682940]

約数ペア:

[(1, 8682940), (2, 4341470), (4, 2170735), (5, 1736588), (7, 1240420), (10, 868294), (14, 620210), (20, 434147), (28, 310105), (35, 248084), (70, 124042), (109, 79660), (140, 62021), (218, 39830), (436, 19915), (545, 15932), (569, 15260), (763, 11380), (1090, 7966), (1138, 7630), (1526, 5690), (2180, 3983), (2276, 3815), (2845, 3052)]