1330809740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{28279}}^1$

素因数の和:28482

約数の個数: 48

約数和(自身を含む): 3026412480

約数和(自身を除く): 1695602740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 181, 260, 362, 724, 905, 1810, 2353, 3620, 4706, 9412, 11765, 23530, 28279, 47060, 56558, 113116, 141395, 282790, 367627, 565580, 735254, 1470508, 1838135, 3676270, 5118499, 7352540, 10236998, 20473996, 25592495, 51184990, 66540487, 102369980, 133080974, 266161948, 332702435, 665404870, 1330809740]

約数ペア:

[(1, 1330809740), (2, 665404870), (4, 332702435), (5, 266161948), (10, 133080974), (13, 102369980), (20, 66540487), (26, 51184990), (52, 25592495), (65, 20473996), (130, 10236998), (181, 7352540), (260, 5118499), (362, 3676270), (724, 1838135), (905, 1470508), (1810, 735254), (2353, 565580), (3620, 367627), (4706, 282790), (9412, 141395), (11765, 113116), (23530, 56558), (28279, 47060)]