307580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^3$

素因数の和:55

約数の個数: 48

約数和(自身を含む): 799680

約数和(自身を除く): 492100

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 169, 182, 260, 338, 364, 455, 676, 845, 910, 1183, 1690, 1820, 2197, 2366, 3380, 4394, 4732, 5915, 8788, 10985, 11830, 15379, 21970, 23660, 30758, 43940, 61516, 76895, 153790, 307580]

約数ペア:

[(1, 307580), (2, 153790), (4, 76895), (5, 61516), (7, 43940), (10, 30758), (13, 23660), (14, 21970), (20, 15379), (26, 11830), (28, 10985), (35, 8788), (52, 5915), (65, 4732), (70, 4394), (91, 3380), (130, 2366), (140, 2197), (169, 1820), (182, 1690), (260, 1183), (338, 910), (364, 845), (455, 676)]