30957460

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1987}}^1$

素因数の和:2056

約数の個数: 48

約数和(自身を含む): 70136640

約数和(自身を除く): 39179180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 164, 190, 205, 380, 410, 779, 820, 1558, 1987, 3116, 3895, 3974, 7790, 7948, 9935, 15580, 19870, 37753, 39740, 75506, 81467, 151012, 162934, 188765, 325868, 377530, 407335, 755060, 814670, 1547873, 1629340, 3095746, 6191492, 7739365, 15478730, 30957460]

約数ペア:

[(1, 30957460), (2, 15478730), (4, 7739365), (5, 6191492), (10, 3095746), (19, 1629340), (20, 1547873), (38, 814670), (41, 755060), (76, 407335), (82, 377530), (95, 325868), (164, 188765), (190, 162934), (205, 151012), (380, 81467), (410, 75506), (779, 39740), (820, 37753), (1558, 19870), (1987, 15580), (3116, 9935), (3895, 7948), (3974, 7790)]