489309080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{72383}}^1$

素因数の和:72420

約数の個数: 48

約数和(自身を含む): 1192164480

約数和(自身を除く): 702855400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 3380, 6760, 72383, 144766, 289532, 361915, 579064, 723830, 940979, 1447660, 1881958, 2895320, 3763916, 4704895, 7527832, 9409790, 12232727, 18819580, 24465454, 37639160, 48930908, 61163635, 97861816, 122327270, 244654540, 489309080]

約数ペア:

[(1, 489309080), (2, 244654540), (4, 122327270), (5, 97861816), (8, 61163635), (10, 48930908), (13, 37639160), (20, 24465454), (26, 18819580), (40, 12232727), (52, 9409790), (65, 7527832), (104, 4704895), (130, 3763916), (169, 2895320), (260, 1881958), (338, 1447660), (520, 940979), (676, 723830), (845, 579064), (1352, 361915), (1690, 289532), (3380, 144766), (6760, 72383)]