1815112900

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{389}}^1\times {\mathrm{1609}}^1$

素因数の和:2041

約数の個数: 72

約数和(自身を含む): 4087629000

約数和(自身を除く): 2272516100

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 145, 290, 389, 580, 725, 778, 1450, 1556, 1609, 1945, 2900, 3218, 3890, 6436, 7780, 8045, 9725, 11281, 16090, 19450, 22562, 32180, 38900, 40225, 45124, 46661, 56405, 80450, 93322, 112810, 160900, 186644, 225620, 233305, 282025, 466610, 564050, 625901, 933220, 1128100, 1166525, 1251802, 2333050, 2503604, 3129505, 4666100, 6259010, 12518020, 15647525, 18151129, 31295050, 36302258, 62590100, 72604516, 90755645, 181511290, 363022580, 453778225, 907556450, 1815112900]

約数ペア:

[(1, 1815112900), (2, 907556450), (4, 453778225), (5, 363022580), (10, 181511290), (20, 90755645), (25, 72604516), (29, 62590100), (50, 36302258), (58, 31295050), (100, 18151129), (116, 15647525), (145, 12518020), (290, 6259010), (389, 4666100), (580, 3129505), (725, 2503604), (778, 2333050), (1450, 1251802), (1556, 1166525), (1609, 1128100), (1945, 933220), (2900, 625901), (3218, 564050), (3890, 466610), (6436, 282025), (7780, 233305), (8045, 225620), (9725, 186644), (11281, 160900), (16090, 112810), (19450, 93322), (22562, 80450), (32180, 56405), (38900, 46661), (40225, 45124)]