211162240

素因数分解:

$2^7\times 5^1\times {\mathrm{329941}}^1$

素因数の和:329960

約数の個数: 32

約数和(自身を含む): 504811260

約数和(自身を除く): 293649020

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 329941, 659882, 1319764, 1649705, 2639528, 3299410, 5279056, 6598820, 10558112, 13197640, 21116224, 26395280, 42232448, 52790560, 105581120, 211162240]

約数ペア:

[(1, 211162240), (2, 105581120), (4, 52790560), (5, 42232448), (8, 26395280), (10, 21116224), (16, 13197640), (20, 10558112), (32, 6598820), (40, 5279056), (64, 3299410), (80, 2639528), (128, 1649705), (160, 1319764), (320, 659882), (640, 329941)]