215417870

素因数分解:

$2^1\times 5^1\times {\mathrm{173}}^1\times {\mathrm{239}}^1\times {\mathrm{521}}^1$

素因数の和:940

約数の個数: 32

約数和(自身を含む): 392376960

約数和(自身を除く): 176959090

約数列:

[1, 2, 5, 10, 173, 239, 346, 478, 521, 865, 1042, 1195, 1730, 2390, 2605, 5210, 41347, 82694, 90133, 124519, 180266, 206735, 249038, 413470, 450665, 622595, 901330, 1245190, 21541787, 43083574, 107708935, 215417870]

約数ペア:

[(1, 215417870), (2, 107708935), (5, 43083574), (10, 21541787), (173, 1245190), (239, 901330), (346, 622595), (478, 450665), (521, 413470), (865, 249038), (1042, 206735), (1195, 180266), (1730, 124519), (2390, 90133), (2605, 82694), (5210, 41347)]