208073460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{495413}}^1$

素因数の和:495432

約数の個数: 48

約数和(自身を含む): 665836416

約数和(自身を除く): 457762956

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 495413, 990826, 1486239, 1981652, 2477065, 2972478, 3467891, 4954130, 5944956, 6935782, 7431195, 9908260, 10403673, 13871564, 14862390, 17339455, 20807346, 29724780, 34678910, 41614692, 52018365, 69357820, 104036730, 208073460]

約数ペア:

[(1, 208073460), (2, 104036730), (3, 69357820), (4, 52018365), (5, 41614692), (6, 34678910), (7, 29724780), (10, 20807346), (12, 17339455), (14, 14862390), (15, 13871564), (20, 10403673), (21, 9908260), (28, 7431195), (30, 6935782), (35, 5944956), (42, 4954130), (60, 3467891), (70, 2972478), (84, 2477065), (105, 1981652), (140, 1486239), (210, 990826), (420, 495413)]