61485140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{677}}^1$

素因数の和:944

約数の個数: 48

約数和(自身を含む): 136684800

約数和(自身を除く): 75199660

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 239, 380, 478, 677, 956, 1195, 1354, 2390, 2708, 3385, 4541, 4780, 6770, 9082, 12863, 13540, 18164, 22705, 25726, 45410, 51452, 64315, 90820, 128630, 161803, 257260, 323606, 647212, 809015, 1618030, 3074257, 3236060, 6148514, 12297028, 15371285, 30742570, 61485140]

約数ペア:

[(1, 61485140), (2, 30742570), (4, 15371285), (5, 12297028), (10, 6148514), (19, 3236060), (20, 3074257), (38, 1618030), (76, 809015), (95, 647212), (190, 323606), (239, 257260), (380, 161803), (478, 128630), (677, 90820), (956, 64315), (1195, 51452), (1354, 45410), (2390, 25726), (2708, 22705), (3385, 18164), (4541, 13540), (4780, 12863), (6770, 9082)]