204875330

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1231}}^1$

素因数の和:1355

約数の個数: 64

約数和(自身を含む): 431101440

約数和(自身を除く): 226226110

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 89, 110, 170, 178, 187, 374, 445, 890, 935, 979, 1231, 1513, 1870, 1958, 2462, 3026, 4895, 6155, 7565, 9790, 12310, 13541, 15130, 16643, 20927, 27082, 33286, 41854, 67705, 83215, 104635, 109559, 135410, 166430, 209270, 219118, 230197, 460394, 547795, 1095590, 1150985, 1205149, 1862503, 2301970, 2410298, 3725006, 6025745, 9312515, 12051490, 18625030, 20487533, 40975066, 102437665, 204875330]

約数ペア:

[(1, 204875330), (2, 102437665), (5, 40975066), (10, 20487533), (11, 18625030), (17, 12051490), (22, 9312515), (34, 6025745), (55, 3725006), (85, 2410298), (89, 2301970), (110, 1862503), (170, 1205149), (178, 1150985), (187, 1095590), (374, 547795), (445, 460394), (890, 230197), (935, 219118), (979, 209270), (1231, 166430), (1513, 135410), (1870, 109559), (1958, 104635), (2462, 83215), (3026, 67705), (4895, 41854), (6155, 33286), (7565, 27082), (9790, 20927), (12310, 16643), (13541, 15130)]