238157020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{2383}}^1$

素因数の和:2674

約数の個数: 48

約数和(自身を含む): 528675840

約数和(自身を除く): 290518820

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 263, 380, 526, 1052, 1315, 2383, 2630, 4766, 4997, 5260, 9532, 9994, 11915, 19988, 23830, 24985, 45277, 47660, 49970, 90554, 99940, 181108, 226385, 452770, 626729, 905540, 1253458, 2506916, 3133645, 6267290, 11907851, 12534580, 23815702, 47631404, 59539255, 119078510, 238157020]

約数ペア:

[(1, 238157020), (2, 119078510), (4, 59539255), (5, 47631404), (10, 23815702), (19, 12534580), (20, 11907851), (38, 6267290), (76, 3133645), (95, 2506916), (190, 1253458), (263, 905540), (380, 626729), (526, 452770), (1052, 226385), (1315, 181108), (2383, 99940), (2630, 90554), (4766, 49970), (4997, 47660), (5260, 45277), (9532, 24985), (9994, 23830), (11915, 19988)]