212194980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{953}}^1\times {\mathrm{1237}}^1$

素因数の和:2205

約数の個数: 72

約数和(自身を含む): 644854392

約数和(自身を除く): 432659412

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 953, 1237, 1906, 2474, 2859, 3711, 3812, 4765, 4948, 5718, 6185, 7422, 8577, 9530, 11133, 11436, 12370, 14295, 14844, 17154, 18555, 19060, 22266, 24740, 28590, 34308, 37110, 42885, 44532, 55665, 57180, 74220, 85770, 111330, 171540, 222660, 1178861, 2357722, 3536583, 4715444, 5894305, 7073166, 10609749, 11788610, 14146332, 17682915, 21219498, 23577220, 35365830, 42438996, 53048745, 70731660, 106097490, 212194980]

約数ペア:

[(1, 212194980), (2, 106097490), (3, 70731660), (4, 53048745), (5, 42438996), (6, 35365830), (9, 23577220), (10, 21219498), (12, 17682915), (15, 14146332), (18, 11788610), (20, 10609749), (30, 7073166), (36, 5894305), (45, 4715444), (60, 3536583), (90, 2357722), (180, 1178861), (953, 222660), (1237, 171540), (1906, 111330), (2474, 85770), (2859, 74220), (3711, 57180), (3812, 55665), (4765, 44532), (4948, 42885), (5718, 37110), (6185, 34308), (7422, 28590), (8577, 24740), (9530, 22266), (11133, 19060), (11436, 18555), (12370, 17154), (14295, 14844)]