239722420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{39821}}^1$

素因数の和:39880

約数の個数: 48

約数和(自身を含む): 588728448

約数和(自身を除く): 349006028

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1505, 3010, 6020, 39821, 79642, 159284, 199105, 278747, 398210, 557494, 796420, 1114988, 1393735, 1712303, 2787470, 3424606, 5574940, 6849212, 8561515, 11986121, 17123030, 23972242, 34246060, 47944484, 59930605, 119861210, 239722420]

約数ペア:

[(1, 239722420), (2, 119861210), (4, 59930605), (5, 47944484), (7, 34246060), (10, 23972242), (14, 17123030), (20, 11986121), (28, 8561515), (35, 6849212), (43, 5574940), (70, 3424606), (86, 2787470), (140, 1712303), (172, 1393735), (215, 1114988), (301, 796420), (430, 557494), (602, 398210), (860, 278747), (1204, 199105), (1505, 159284), (3010, 79642), (6020, 39821)]