209932060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{5419}}^1$

素因数の和:5590

約数の個数: 48

約数和(自身を含む): 478044000

約数和(自身を除く): 268111940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 149, 260, 298, 596, 745, 1490, 1937, 2980, 3874, 5419, 7748, 9685, 10838, 19370, 21676, 27095, 38740, 54190, 70447, 108380, 140894, 281788, 352235, 704470, 807431, 1408940, 1614862, 3229724, 4037155, 8074310, 10496603, 16148620, 20993206, 41986412, 52483015, 104966030, 209932060]

約数ペア:

[(1, 209932060), (2, 104966030), (4, 52483015), (5, 41986412), (10, 20993206), (13, 16148620), (20, 10496603), (26, 8074310), (52, 4037155), (65, 3229724), (130, 1614862), (149, 1408940), (260, 807431), (298, 704470), (596, 352235), (745, 281788), (1490, 140894), (1937, 108380), (2980, 70447), (3874, 54190), (5419, 38740), (7748, 27095), (9685, 21676), (10838, 19370)]