220150420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{8233}}^1$

素因数の和:8440

約数の個数: 48

約数和(自身を含む): 531191808

約数和(自身を除く): 311041388

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 191, 382, 764, 955, 1337, 1910, 2674, 3820, 5348, 6685, 8233, 13370, 16466, 26740, 32932, 41165, 57631, 82330, 115262, 164660, 230524, 288155, 576310, 1152620, 1572503, 3145006, 6290012, 7862515, 11007521, 15725030, 22015042, 31450060, 44030084, 55037605, 110075210, 220150420]

約数ペア:

[(1, 220150420), (2, 110075210), (4, 55037605), (5, 44030084), (7, 31450060), (10, 22015042), (14, 15725030), (20, 11007521), (28, 7862515), (35, 6290012), (70, 3145006), (140, 1572503), (191, 1152620), (382, 576310), (764, 288155), (955, 230524), (1337, 164660), (1910, 115262), (2674, 82330), (3820, 57631), (5348, 41165), (6685, 32932), (8233, 26740), (13370, 16466)]