215330900

素因数分解:

$2^2\times 5^2\times {\mathrm{433}}^1\times {\mathrm{4973}}^1$

素因数の和:5420

約数の個数: 36

約数和(自身を含む): 468441372

約数和(自身を除く): 253110472

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 433, 866, 1732, 2165, 4330, 4973, 8660, 9946, 10825, 19892, 21650, 24865, 43300, 49730, 99460, 124325, 248650, 497300, 2153309, 4306618, 8613236, 10766545, 21533090, 43066180, 53832725, 107665450, 215330900]

約数ペア:

[(1, 215330900), (2, 107665450), (4, 53832725), (5, 43066180), (10, 21533090), (20, 10766545), (25, 8613236), (50, 4306618), (100, 2153309), (433, 497300), (866, 248650), (1732, 124325), (2165, 99460), (4330, 49730), (4973, 43300), (8660, 24865), (9946, 21650), (10825, 19892)]