280372235

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{1237}}^1$

素因数の和:1583

約数の個数: 32

約数和(自身を含む): 396833472

約数和(自身を除く): 116461237

約数列:

[1, 5, 11, 13, 55, 65, 143, 317, 715, 1237, 1585, 3487, 4121, 6185, 13607, 16081, 17435, 20605, 45331, 68035, 80405, 176891, 226655, 392129, 884455, 1960645, 4313419, 5097677, 21567095, 25488385, 56074447, 280372235]

約数ペア:

[(1, 280372235), (5, 56074447), (11, 25488385), (13, 21567095), (55, 5097677), (65, 4313419), (143, 1960645), (317, 884455), (715, 392129), (1237, 226655), (1585, 176891), (3487, 80405), (4121, 68035), (6185, 45331), (13607, 20605), (16081, 17435)]