108914860

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{317}}^1\times {\mathrm{419}}^1$

素因数の和:786

約数の個数: 48

約数和(自身を含む): 235599840

約数和(自身を除く): 126684980

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 317, 410, 419, 634, 820, 838, 1268, 1585, 1676, 2095, 3170, 4190, 6340, 8380, 12997, 17179, 25994, 34358, 51988, 64985, 68716, 85895, 129970, 132823, 171790, 259940, 265646, 343580, 531292, 664115, 1328230, 2656460, 5445743, 10891486, 21782972, 27228715, 54457430, 108914860]

約数ペア:

[(1, 108914860), (2, 54457430), (4, 27228715), (5, 21782972), (10, 10891486), (20, 5445743), (41, 2656460), (82, 1328230), (164, 664115), (205, 531292), (317, 343580), (410, 265646), (419, 259940), (634, 171790), (820, 132823), (838, 129970), (1268, 85895), (1585, 68716), (1676, 64985), (2095, 51988), (3170, 34358), (4190, 25994), (6340, 17179), (8380, 12997)]