72908780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{1237}}^1$

素因数の和:1674

約数の個数: 48

約数和(自身を含む): 175538496

約数和(自身を除く): 102629716

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 421, 842, 1237, 1684, 2105, 2474, 2947, 4210, 4948, 5894, 6185, 8420, 8659, 11788, 12370, 14735, 17318, 24740, 29470, 34636, 43295, 58940, 86590, 173180, 520777, 1041554, 2083108, 2603885, 3645439, 5207770, 7290878, 10415540, 14581756, 18227195, 36454390, 72908780]

約数ペア:

[(1, 72908780), (2, 36454390), (4, 18227195), (5, 14581756), (7, 10415540), (10, 7290878), (14, 5207770), (20, 3645439), (28, 2603885), (35, 2083108), (70, 1041554), (140, 520777), (421, 173180), (842, 86590), (1237, 58940), (1684, 43295), (2105, 34636), (2474, 29470), (2947, 24740), (4210, 17318), (4948, 14735), (5894, 12370), (6185, 11788), (8420, 8659)]