31380100

素因数分解:

$2^2\times 5^2\times {\mathrm{113}}^1\times {\mathrm{2777}}^1$

素因数の和:2904

約数の個数: 36

約数和(自身を含む): 68722164

約数和(自身を除く): 37342064

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 113, 226, 452, 565, 1130, 2260, 2777, 2825, 5554, 5650, 11108, 11300, 13885, 27770, 55540, 69425, 138850, 277700, 313801, 627602, 1255204, 1569005, 3138010, 6276020, 7845025, 15690050, 31380100]

約数ペア:

[(1, 31380100), (2, 15690050), (4, 7845025), (5, 6276020), (10, 3138010), (20, 1569005), (25, 1255204), (50, 627602), (100, 313801), (113, 277700), (226, 138850), (452, 69425), (565, 55540), (1130, 27770), (2260, 13885), (2777, 11300), (2825, 11108), (5554, 5650)]