159505940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{379}}^1\times {\mathrm{1913}}^1$

素因数の和:2312

約数の個数: 48

約数和(自身を含む): 366569280

約数和(自身を除く): 207063340

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 379, 758, 1516, 1895, 1913, 3790, 3826, 4169, 7580, 7652, 8338, 9565, 16676, 19130, 20845, 21043, 38260, 41690, 42086, 83380, 84172, 105215, 210430, 420860, 725027, 1450054, 2900108, 3625135, 7250270, 7975297, 14500540, 15950594, 31901188, 39876485, 79752970, 159505940]

約数ペア:

[(1, 159505940), (2, 79752970), (4, 39876485), (5, 31901188), (10, 15950594), (11, 14500540), (20, 7975297), (22, 7250270), (44, 3625135), (55, 2900108), (110, 1450054), (220, 725027), (379, 420860), (758, 210430), (1516, 105215), (1895, 84172), (1913, 83380), (3790, 42086), (3826, 41690), (4169, 38260), (7580, 21043), (7652, 20845), (8338, 19130), (9565, 16676)]