238889240

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{2039}}^1$

素因数の和:2180

約数の個数: 64

約数和(自身を含む): 561816000

約数和(自身を除く): 322926760

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 101, 116, 145, 202, 232, 290, 404, 505, 580, 808, 1010, 1160, 2020, 2039, 2929, 4040, 4078, 5858, 8156, 10195, 11716, 14645, 16312, 20390, 23432, 29290, 40780, 58580, 59131, 81560, 117160, 118262, 205939, 236524, 295655, 411878, 473048, 591310, 823756, 1029695, 1182620, 1647512, 2059390, 2365240, 4118780, 5972231, 8237560, 11944462, 23888924, 29861155, 47777848, 59722310, 119444620, 238889240]

約数ペア:

[(1, 238889240), (2, 119444620), (4, 59722310), (5, 47777848), (8, 29861155), (10, 23888924), (20, 11944462), (29, 8237560), (40, 5972231), (58, 4118780), (101, 2365240), (116, 2059390), (145, 1647512), (202, 1182620), (232, 1029695), (290, 823756), (404, 591310), (505, 473048), (580, 411878), (808, 295655), (1010, 236524), (1160, 205939), (2020, 118262), (2039, 117160), (2929, 81560), (4040, 59131), (4078, 58580), (5858, 40780), (8156, 29290), (10195, 23432), (11716, 20390), (14645, 16312)]