129995180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{10433}}^1$

素因数の和:10538

約数の個数: 48

約数和(自身を含む): 315524160

約数和(自身を除く): 185528980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 445, 623, 890, 1246, 1780, 2492, 3115, 6230, 10433, 12460, 20866, 41732, 52165, 73031, 104330, 146062, 208660, 292124, 365155, 730310, 928537, 1460620, 1857074, 3714148, 4642685, 6499759, 9285370, 12999518, 18570740, 25999036, 32498795, 64997590, 129995180]

約数ペア:

[(1, 129995180), (2, 64997590), (4, 32498795), (5, 25999036), (7, 18570740), (10, 12999518), (14, 9285370), (20, 6499759), (28, 4642685), (35, 3714148), (70, 1857074), (89, 1460620), (140, 928537), (178, 730310), (356, 365155), (445, 292124), (623, 208660), (890, 146062), (1246, 104330), (1780, 73031), (2492, 52165), (3115, 41732), (6230, 20866), (10433, 12460)]