221960

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1$

素因数の和:221

約数の個数: 32

約数和(自身を含む): 518400

約数和(自身を除く): 296440

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 179, 248, 310, 358, 620, 716, 895, 1240, 1432, 1790, 3580, 5549, 7160, 11098, 22196, 27745, 44392, 55490, 110980, 221960]

約数ペア:

[(1, 221960), (2, 110980), (4, 55490), (5, 44392), (8, 27745), (10, 22196), (20, 11098), (31, 7160), (40, 5549), (62, 3580), (124, 1790), (155, 1432), (179, 1240), (248, 895), (310, 716), (358, 620)]