650988940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{11369}}^1$

素因数の和:11794

約数の個数: 48

約数和(自身を含む): 1566331200

約数和(自身を除く): 915342260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 409, 818, 1636, 2045, 2863, 4090, 5726, 8180, 11369, 11452, 14315, 22738, 28630, 45476, 56845, 57260, 79583, 113690, 159166, 227380, 318332, 397915, 795830, 1591660, 4649921, 9299842, 18599684, 23249605, 32549447, 46499210, 65098894, 92998420, 130197788, 162747235, 325494470, 650988940]

約数ペア:

[(1, 650988940), (2, 325494470), (4, 162747235), (5, 130197788), (7, 92998420), (10, 65098894), (14, 46499210), (20, 32549447), (28, 23249605), (35, 18599684), (70, 9299842), (140, 4649921), (409, 1591660), (818, 795830), (1636, 397915), (2045, 318332), (2863, 227380), (4090, 159166), (5726, 113690), (8180, 79583), (11369, 57260), (11452, 56845), (14315, 45476), (22738, 28630)]