209219660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{757}}^1\times {\mathrm{1063}}^1$

素因数の和:1842

約数の個数: 48

約数和(自身を含む): 474229056

約数和(自身を除く): 265009396

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 757, 1063, 1514, 2126, 3028, 3785, 4252, 5315, 7570, 9841, 10630, 13819, 15140, 19682, 21260, 27638, 39364, 49205, 55276, 69095, 98410, 138190, 196820, 276380, 804691, 1609382, 3218764, 4023455, 8046910, 10460983, 16093820, 20921966, 41843932, 52304915, 104609830, 209219660]

約数ペア:

[(1, 209219660), (2, 104609830), (4, 52304915), (5, 41843932), (10, 20921966), (13, 16093820), (20, 10460983), (26, 8046910), (52, 4023455), (65, 3218764), (130, 1609382), (260, 804691), (757, 276380), (1063, 196820), (1514, 138190), (2126, 98410), (3028, 69095), (3785, 55276), (4252, 49205), (5315, 39364), (7570, 27638), (9841, 21260), (10630, 19682), (13819, 15140)]