331367980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{7717}}^1$

素因数の和:7858

約数の個数: 48

約数和(自身を含む): 739075680

約数和(自身を除く): 407707700

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 113, 190, 226, 380, 452, 565, 1130, 2147, 2260, 4294, 7717, 8588, 10735, 15434, 21470, 30868, 38585, 42940, 77170, 146623, 154340, 293246, 586492, 733115, 872021, 1466230, 1744042, 2932460, 3488084, 4360105, 8720210, 16568399, 17440420, 33136798, 66273596, 82841995, 165683990, 331367980]

約数ペア:

[(1, 331367980), (2, 165683990), (4, 82841995), (5, 66273596), (10, 33136798), (19, 17440420), (20, 16568399), (38, 8720210), (76, 4360105), (95, 3488084), (113, 2932460), (190, 1744042), (226, 1466230), (380, 872021), (452, 733115), (565, 586492), (1130, 293246), (2147, 154340), (2260, 146623), (4294, 77170), (7717, 42940), (8588, 38585), (10735, 30868), (15434, 21470)]