204328270

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{239}}^1$

素因数の和:417

約数の個数: 64

約数和(自身を含む): 403107840

約数和(自身を除く): 198779570

約数列:

[1, 2, 5, 10, 17, 34, 47, 85, 94, 107, 170, 214, 235, 239, 470, 478, 535, 799, 1070, 1195, 1598, 1819, 2390, 3638, 3995, 4063, 5029, 7990, 8126, 9095, 10058, 11233, 18190, 20315, 22466, 25145, 25573, 40630, 50290, 51146, 56165, 85493, 112330, 127865, 170986, 190961, 255730, 381922, 427465, 434741, 854930, 869482, 954805, 1201931, 1909610, 2173705, 2403862, 4347410, 6009655, 12019310, 20432827, 40865654, 102164135, 204328270]

約数ペア:

[(1, 204328270), (2, 102164135), (5, 40865654), (10, 20432827), (17, 12019310), (34, 6009655), (47, 4347410), (85, 2403862), (94, 2173705), (107, 1909610), (170, 1201931), (214, 954805), (235, 869482), (239, 854930), (470, 434741), (478, 427465), (535, 381922), (799, 255730), (1070, 190961), (1195, 170986), (1598, 127865), (1819, 112330), (2390, 85493), (3638, 56165), (3995, 51146), (4063, 50290), (5029, 40630), (7990, 25573), (8126, 25145), (9095, 22466), (10058, 20315), (11233, 18190)]