2445820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{409}}^1$

素因数の和:454

約数の個数: 48

約数和(自身を含む): 5785920

約数和(自身を除く): 3340100

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 230, 260, 299, 409, 460, 598, 818, 1196, 1495, 1636, 2045, 2990, 4090, 5317, 5980, 8180, 9407, 10634, 18814, 21268, 26585, 37628, 47035, 53170, 94070, 106340, 122291, 188140, 244582, 489164, 611455, 1222910, 2445820]

約数ペア:

[(1, 2445820), (2, 1222910), (4, 611455), (5, 489164), (10, 244582), (13, 188140), (20, 122291), (23, 106340), (26, 94070), (46, 53170), (52, 47035), (65, 37628), (92, 26585), (115, 21268), (130, 18814), (230, 10634), (260, 9407), (299, 8180), (409, 5980), (460, 5317), (598, 4090), (818, 2990), (1196, 2045), (1495, 1636)]