3955980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{9419}}^1$

素因数の和:9438

約数の個数: 48

約数和(自身を含む): 12660480

約数和(自身を除く): 8704500

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, 9419, 18838, 28257, 37676, 47095, 56514, 65933, 94190, 113028, 131866, 141285, 188380, 197799, 263732, 282570, 329665, 395598, 565140, 659330, 791196, 988995, 1318660, 1977990, 3955980]

約数ペア:

[(1, 3955980), (2, 1977990), (3, 1318660), (4, 988995), (5, 791196), (6, 659330), (7, 565140), (10, 395598), (12, 329665), (14, 282570), (15, 263732), (20, 197799), (21, 188380), (28, 141285), (30, 131866), (35, 113028), (42, 94190), (60, 65933), (70, 56514), (84, 47095), (105, 37676), (140, 28257), (210, 18838), (420, 9419)]