267880

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1$

素因数の和:229

約数の個数: 32

約数和(自身を含む): 622440

約数和(自身を除く): 354560

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 181, 185, 296, 362, 370, 724, 740, 905, 1448, 1480, 1810, 3620, 6697, 7240, 13394, 26788, 33485, 53576, 66970, 133940, 267880]

約数ペア:

[(1, 267880), (2, 133940), (4, 66970), (5, 53576), (8, 33485), (10, 26788), (20, 13394), (37, 7240), (40, 6697), (74, 3620), (148, 1810), (181, 1480), (185, 1448), (296, 905), (362, 740), (370, 724)]