220568180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{33521}}^1$

素因数の和:33584

約数の個数: 48

約数和(自身を含む): 540642816

約数和(自身を除く): 320074636

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 3290, 6580, 33521, 67042, 134084, 167605, 234647, 335210, 469294, 670420, 938588, 1173235, 1575487, 2346470, 3150974, 4692940, 6301948, 7877435, 11028409, 15754870, 22056818, 31509740, 44113636, 55142045, 110284090, 220568180]

約数ペア:

[(1, 220568180), (2, 110284090), (4, 55142045), (5, 44113636), (7, 31509740), (10, 22056818), (14, 15754870), (20, 11028409), (28, 7877435), (35, 6301948), (47, 4692940), (70, 3150974), (94, 2346470), (140, 1575487), (188, 1173235), (235, 938588), (329, 670420), (470, 469294), (658, 335210), (940, 234647), (1316, 167605), (1645, 134084), (3290, 67042), (6580, 33521)]