388813340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{5653}}^1$

素因数の和:5862

約数の個数: 48

約数和(自身を含む): 864383520

約数和(自身を除く): 475570180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 181, 190, 362, 380, 724, 905, 1810, 3439, 3620, 5653, 6878, 11306, 13756, 17195, 22612, 28265, 34390, 56530, 68780, 107407, 113060, 214814, 429628, 537035, 1023193, 1074070, 2046386, 2148140, 4092772, 5115965, 10231930, 19440667, 20463860, 38881334, 77762668, 97203335, 194406670, 388813340]

約数ペア:

[(1, 388813340), (2, 194406670), (4, 97203335), (5, 77762668), (10, 38881334), (19, 20463860), (20, 19440667), (38, 10231930), (76, 5115965), (95, 4092772), (181, 2148140), (190, 2046386), (362, 1074070), (380, 1023193), (724, 537035), (905, 429628), (1810, 214814), (3439, 113060), (3620, 107407), (5653, 68780), (6878, 56530), (11306, 34390), (13756, 28265), (17195, 22612)]