156645940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{9013}}^1$

素因数の和:9112

約数の個数: 48

約数和(自身を含む): 363444480

約数和(自身を除く): 206798540

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 110, 158, 220, 316, 395, 790, 869, 1580, 1738, 3476, 4345, 8690, 9013, 17380, 18026, 36052, 45065, 90130, 99143, 180260, 198286, 396572, 495715, 712027, 991430, 1424054, 1982860, 2848108, 3560135, 7120270, 7832297, 14240540, 15664594, 31329188, 39161485, 78322970, 156645940]

約数ペア:

[(1, 156645940), (2, 78322970), (4, 39161485), (5, 31329188), (10, 15664594), (11, 14240540), (20, 7832297), (22, 7120270), (44, 3560135), (55, 2848108), (79, 1982860), (110, 1424054), (158, 991430), (220, 712027), (316, 495715), (395, 396572), (790, 198286), (869, 180260), (1580, 99143), (1738, 90130), (3476, 45065), (4345, 36052), (8690, 18026), (9013, 17380)]