205543870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2969}}^1$

素因数の和:3049

約数の個数: 64

約数和(自身を含む): 451630080

約数和(自身を除く): 246086210

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 43, 46, 70, 86, 115, 161, 215, 230, 301, 322, 430, 602, 805, 989, 1505, 1610, 1978, 2969, 3010, 4945, 5938, 6923, 9890, 13846, 14845, 20783, 29690, 34615, 41566, 68287, 69230, 103915, 127667, 136574, 207830, 255334, 341435, 478009, 638335, 682870, 893669, 956018, 1276670, 1787338, 2390045, 2936341, 4468345, 4780090, 5872682, 8936690, 14681705, 20554387, 29363410, 41108774, 102771935, 205543870]

約数ペア:

[(1, 205543870), (2, 102771935), (5, 41108774), (7, 29363410), (10, 20554387), (14, 14681705), (23, 8936690), (35, 5872682), (43, 4780090), (46, 4468345), (70, 2936341), (86, 2390045), (115, 1787338), (161, 1276670), (215, 956018), (230, 893669), (301, 682870), (322, 638335), (430, 478009), (602, 341435), (805, 255334), (989, 207830), (1505, 136574), (1610, 127667), (1978, 103915), (2969, 69230), (3010, 68287), (4945, 41566), (5938, 34615), (6923, 29690), (9890, 20783), (13846, 14845)]