187512820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{10789}}^1$

素因数の和:10888

約数の個数: 48

約数和(自身を含む): 435052800

約数和(自身を除く): 247539980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 110, 158, 220, 316, 395, 790, 869, 1580, 1738, 3476, 4345, 8690, 10789, 17380, 21578, 43156, 53945, 107890, 118679, 215780, 237358, 474716, 593395, 852331, 1186790, 1704662, 2373580, 3409324, 4261655, 8523310, 9375641, 17046620, 18751282, 37502564, 46878205, 93756410, 187512820]

約数ペア:

[(1, 187512820), (2, 93756410), (4, 46878205), (5, 37502564), (10, 18751282), (11, 17046620), (20, 9375641), (22, 8523310), (44, 4261655), (55, 3409324), (79, 2373580), (110, 1704662), (158, 1186790), (220, 852331), (316, 593395), (395, 474716), (790, 237358), (869, 215780), (1580, 118679), (1738, 107890), (3476, 53945), (4345, 43156), (8690, 21578), (10789, 17380)]