17794660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{769}}^1$

素因数の和:880

約数の個数: 48

約数和(自身を含む): 40748400

約数和(自身を除く): 22953740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 89, 130, 178, 260, 356, 445, 769, 890, 1157, 1538, 1780, 2314, 3076, 3845, 4628, 5785, 7690, 9997, 11570, 15380, 19994, 23140, 39988, 49985, 68441, 99970, 136882, 199940, 273764, 342205, 684410, 889733, 1368820, 1779466, 3558932, 4448665, 8897330, 17794660]

約数ペア:

[(1, 17794660), (2, 8897330), (4, 4448665), (5, 3558932), (10, 1779466), (13, 1368820), (20, 889733), (26, 684410), (52, 342205), (65, 273764), (89, 199940), (130, 136882), (178, 99970), (260, 68441), (356, 49985), (445, 39988), (769, 23140), (890, 19994), (1157, 15380), (1538, 11570), (1780, 9997), (2314, 7690), (3076, 5785), (3845, 4628)]