419192980

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{661}}^1\times {\mathrm{857}}^1$

素因数の和:1564

約数の個数: 48

約数和(自身を含む): 906521616

約数和(自身を除く): 487328636

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 661, 740, 857, 1322, 1714, 2644, 3305, 3428, 4285, 6610, 8570, 13220, 17140, 24457, 31709, 48914, 63418, 97828, 122285, 126836, 158545, 244570, 317090, 489140, 566477, 634180, 1132954, 2265908, 2832385, 5664770, 11329540, 20959649, 41919298, 83838596, 104798245, 209596490, 419192980]

約数ペア:

[(1, 419192980), (2, 209596490), (4, 104798245), (5, 83838596), (10, 41919298), (20, 20959649), (37, 11329540), (74, 5664770), (148, 2832385), (185, 2265908), (370, 1132954), (661, 634180), (740, 566477), (857, 489140), (1322, 317090), (1714, 244570), (2644, 158545), (3305, 126836), (3428, 122285), (4285, 97828), (6610, 63418), (8570, 48914), (13220, 31709), (17140, 24457)]