231572180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{23297}}^1$

素因数の和:23384

約数の個数: 48

約数和(自身を含む): 563625216

約数和(自身を除く): 332053036

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 9940, 23297, 46594, 93188, 116485, 163079, 232970, 326158, 465940, 652316, 815395, 1630790, 1654087, 3261580, 3308174, 6616348, 8270435, 11578609, 16540870, 23157218, 33081740, 46314436, 57893045, 115786090, 231572180]

約数ペア:

[(1, 231572180), (2, 115786090), (4, 57893045), (5, 46314436), (7, 33081740), (10, 23157218), (14, 16540870), (20, 11578609), (28, 8270435), (35, 6616348), (70, 3308174), (71, 3261580), (140, 1654087), (142, 1630790), (284, 815395), (355, 652316), (497, 465940), (710, 326158), (994, 232970), (1420, 163079), (1988, 116485), (2485, 93188), (4970, 46594), (9940, 23297)]