397078780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{6737}}^1$

素因数の和:7174

約数の個数: 48

約数和(自身を含む): 955394496

約数和(自身を除く): 558315716

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 421, 842, 1684, 2105, 2947, 4210, 5894, 6737, 8420, 11788, 13474, 14735, 26948, 29470, 33685, 47159, 58940, 67370, 94318, 134740, 188636, 235795, 471590, 943180, 2836277, 5672554, 11345108, 14181385, 19853939, 28362770, 39707878, 56725540, 79415756, 99269695, 198539390, 397078780]

約数ペア:

[(1, 397078780), (2, 198539390), (4, 99269695), (5, 79415756), (7, 56725540), (10, 39707878), (14, 28362770), (20, 19853939), (28, 14181385), (35, 11345108), (70, 5672554), (140, 2836277), (421, 943180), (842, 471590), (1684, 235795), (2105, 188636), (2947, 134740), (4210, 94318), (5894, 67370), (6737, 58940), (8420, 47159), (11788, 33685), (13474, 29470), (14735, 26948)]