206533780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{1861}}^1$

素因数の和:2080

約数の個数: 48

約数和(自身を含む): 450455040

約数和(自身を除く): 243921260

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 179, 310, 358, 620, 716, 895, 1790, 1861, 3580, 3722, 5549, 7444, 9305, 11098, 18610, 22196, 27745, 37220, 55490, 57691, 110980, 115382, 230764, 288455, 333119, 576910, 666238, 1153820, 1332476, 1665595, 3331190, 6662380, 10326689, 20653378, 41306756, 51633445, 103266890, 206533780]

約数ペア:

[(1, 206533780), (2, 103266890), (4, 51633445), (5, 41306756), (10, 20653378), (20, 10326689), (31, 6662380), (62, 3331190), (124, 1665595), (155, 1332476), (179, 1153820), (310, 666238), (358, 576910), (620, 333119), (716, 288455), (895, 230764), (1790, 115382), (1861, 110980), (3580, 57691), (3722, 55490), (5549, 37220), (7444, 27745), (9305, 22196), (11098, 18610)]