220106140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{647371}}^1$

素因数の和:647397

約数の個数: 24

約数和(自身を含む): 489413232

約数和(自身を除く): 269307092

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 647371, 1294742, 2589484, 3236855, 6473710, 11005307, 12947420, 22010614, 44021228, 55026535, 110053070, 220106140]

約数ペア:

[(1, 220106140), (2, 110053070), (4, 55026535), (5, 44021228), (10, 22010614), (17, 12947420), (20, 11005307), (34, 6473710), (68, 3236855), (85, 2589484), (170, 1294742), (340, 647371)]