831254340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{1979177}}^1$

素因数の和:1979196

約数の個数: 48

約数和(自身を含む): 2660015232

約数和(自身を除く): 1828760892

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, 1979177, 3958354, 5937531, 7916708, 9895885, 11875062, 13854239, 19791770, 23750124, 27708478, 29687655, 39583540, 41562717, 55416956, 59375310, 69271195, 83125434, 118750620, 138542390, 166250868, 207813585, 277084780, 415627170, 831254340]

約数ペア:

[(1, 831254340), (2, 415627170), (3, 277084780), (4, 207813585), (5, 166250868), (6, 138542390), (7, 118750620), (10, 83125434), (12, 69271195), (14, 59375310), (15, 55416956), (20, 41562717), (21, 39583540), (28, 29687655), (30, 27708478), (35, 23750124), (42, 19791770), (60, 13854239), (70, 11875062), (84, 9895885), (105, 7916708), (140, 5937531), (210, 3958354), (420, 1979177)]