208156940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{5011}}^1$

素因数の和:5118

約数の個数: 48

約数和(自身を含む): 458056704

約数和(自身を除く): 249899764

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 67, 124, 134, 155, 268, 310, 335, 620, 670, 1340, 2077, 4154, 5011, 8308, 10022, 10385, 20044, 20770, 25055, 41540, 50110, 100220, 155341, 310682, 335737, 621364, 671474, 776705, 1342948, 1553410, 1678685, 3106820, 3357370, 6714740, 10407847, 20815694, 41631388, 52039235, 104078470, 208156940]

約数ペア:

[(1, 208156940), (2, 104078470), (4, 52039235), (5, 41631388), (10, 20815694), (20, 10407847), (31, 6714740), (62, 3357370), (67, 3106820), (124, 1678685), (134, 1553410), (155, 1342948), (268, 776705), (310, 671474), (335, 621364), (620, 335737), (670, 310682), (1340, 155341), (2077, 100220), (4154, 50110), (5011, 41540), (8308, 25055), (10022, 20770), (10385, 20044)]