145414780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{887}}^1\times {\mathrm{1171}}^1$

素因数の和:2074

約数の個数: 48

約数和(自身を含む): 349687296

約数和(自身を除く): 204272516

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 887, 1171, 1774, 2342, 3548, 4435, 4684, 5855, 6209, 8197, 8870, 11710, 12418, 16394, 17740, 23420, 24836, 31045, 32788, 40985, 62090, 81970, 124180, 163940, 1038677, 2077354, 4154708, 5193385, 7270739, 10386770, 14541478, 20773540, 29082956, 36353695, 72707390, 145414780]

約数ペア:

[(1, 145414780), (2, 72707390), (4, 36353695), (5, 29082956), (7, 20773540), (10, 14541478), (14, 10386770), (20, 7270739), (28, 5193385), (35, 4154708), (70, 2077354), (140, 1038677), (887, 163940), (1171, 124180), (1774, 81970), (2342, 62090), (3548, 40985), (4435, 32788), (4684, 31045), (5855, 24836), (6209, 23420), (8197, 17740), (8870, 16394), (11710, 12418)]