30390290

素因数分解:

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

素因数の和:699

約数の個数: 48

約数和(自身を含む): 64330200

約数和(自身を除く): 33939910

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 109, 218, 245, 490, 545, 569, 763, 1090, 1138, 1526, 2845, 3815, 3983, 5341, 5690, 7630, 7966, 10682, 19915, 26705, 27881, 39830, 53410, 55762, 62021, 124042, 139405, 278810, 310105, 434147, 620210, 868294, 2170735, 3039029, 4341470, 6078058, 15195145, 30390290]

約数ペア:

[(1, 30390290), (2, 15195145), (5, 6078058), (7, 4341470), (10, 3039029), (14, 2170735), (35, 868294), (49, 620210), (70, 434147), (98, 310105), (109, 278810), (218, 139405), (245, 124042), (490, 62021), (545, 55762), (569, 53410), (763, 39830), (1090, 27881), (1138, 26705), (1526, 19915), (2845, 10682), (3815, 7966), (3983, 7630), (5341, 5690)]