388187860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{60091}}^1$

素因数の和:60136

約数の個数: 48

約数和(自身を含む): 908591040

約数和(自身を除く): 520403180

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3230, 6460, 60091, 120182, 240364, 300455, 600910, 1021547, 1141729, 1201820, 2043094, 2283458, 4086188, 4566916, 5107735, 5708645, 10215470, 11417290, 19409393, 20430940, 22834580, 38818786, 77637572, 97046965, 194093930, 388187860]

約数ペア:

[(1, 388187860), (2, 194093930), (4, 97046965), (5, 77637572), (10, 38818786), (17, 22834580), (19, 20430940), (20, 19409393), (34, 11417290), (38, 10215470), (68, 5708645), (76, 5107735), (85, 4566916), (95, 4086188), (170, 2283458), (190, 2043094), (323, 1201820), (340, 1141729), (380, 1021547), (646, 600910), (1292, 300455), (1615, 240364), (3230, 120182), (6460, 60091)]