163908940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{4231}}^1$

素因数の和:4402

約数の個数: 48

約数和(自身を含む): 373262400

約数和(自身を除く): 209353460

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 149, 260, 298, 596, 745, 1490, 1937, 2980, 3874, 4231, 7748, 8462, 9685, 16924, 19370, 21155, 38740, 42310, 55003, 84620, 110006, 220012, 275015, 550030, 630419, 1100060, 1260838, 2521676, 3152095, 6304190, 8195447, 12608380, 16390894, 32781788, 40977235, 81954470, 163908940]

約数ペア:

[(1, 163908940), (2, 81954470), (4, 40977235), (5, 32781788), (10, 16390894), (13, 12608380), (20, 8195447), (26, 6304190), (52, 3152095), (65, 2521676), (130, 1260838), (149, 1100060), (260, 630419), (298, 550030), (596, 275015), (745, 220012), (1490, 110006), (1937, 84620), (2980, 55003), (3874, 42310), (4231, 38740), (7748, 21155), (8462, 19370), (9685, 16924)]