284384780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{15923}}^1$

素因数の和:15998

約数の個数: 48

約数和(自身を含む): 642055680

約数和(自身を除く): 357670900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 47, 76, 94, 95, 188, 190, 235, 380, 470, 893, 940, 1786, 3572, 4465, 8930, 15923, 17860, 31846, 63692, 79615, 159230, 302537, 318460, 605074, 748381, 1210148, 1496762, 1512685, 2993524, 3025370, 3741905, 6050740, 7483810, 14219239, 14967620, 28438478, 56876956, 71096195, 142192390, 284384780]

約数ペア:

[(1, 284384780), (2, 142192390), (4, 71096195), (5, 56876956), (10, 28438478), (19, 14967620), (20, 14219239), (38, 7483810), (47, 6050740), (76, 3741905), (94, 3025370), (95, 2993524), (188, 1512685), (190, 1496762), (235, 1210148), (380, 748381), (470, 605074), (893, 318460), (940, 302537), (1786, 159230), (3572, 79615), (4465, 63692), (8930, 31846), (15923, 17860)]