288774670

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{521}}^1\times {\mathrm{1289}}^1$

素因数の和:1860

約数の個数: 32

約数和(自身を含む): 533316960

約数和(自身を除く): 244542290

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 521, 1042, 1289, 2578, 2605, 5210, 6445, 12890, 22403, 44806, 55427, 110854, 112015, 224030, 277135, 554270, 671569, 1343138, 3357845, 6715690, 28877467, 57754934, 144387335, 288774670]

約数ペア:

[(1, 288774670), (2, 144387335), (5, 57754934), (10, 28877467), (43, 6715690), (86, 3357845), (215, 1343138), (430, 671569), (521, 554270), (1042, 277135), (1289, 224030), (2578, 112015), (2605, 110854), (5210, 55427), (6445, 44806), (12890, 22403)]