201787620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{197831}}^1$

素因数の和:197860

約数の個数: 48

約数和(自身を含む): 598243968

約数和(自身を除く): 396456348

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 197831, 395662, 593493, 791324, 989155, 1186986, 1978310, 2373972, 2967465, 3363127, 3956620, 5934930, 6726254, 10089381, 11869860, 13452508, 16815635, 20178762, 33631270, 40357524, 50446905, 67262540, 100893810, 201787620]

約数ペア:

[(1, 201787620), (2, 100893810), (3, 67262540), (4, 50446905), (5, 40357524), (6, 33631270), (10, 20178762), (12, 16815635), (15, 13452508), (17, 11869860), (20, 10089381), (30, 6726254), (34, 5934930), (51, 3956620), (60, 3363127), (68, 2967465), (85, 2373972), (102, 1978310), (170, 1186986), (204, 989155), (255, 791324), (340, 593493), (510, 395662), (1020, 197831)]