2801970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{191}}^1$

素因数の和:367

約数の個数: 48

約数和(自身を含む): 7368192

約数和(自身を除く): 4566222

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 163, 191, 326, 382, 489, 573, 815, 955, 978, 1146, 1467, 1630, 1719, 1910, 2445, 2865, 2934, 3438, 4890, 5730, 7335, 8595, 14670, 17190, 31133, 62266, 93399, 155665, 186798, 280197, 311330, 466995, 560394, 933990, 1400985, 2801970]

約数ペア:

[(1, 2801970), (2, 1400985), (3, 933990), (5, 560394), (6, 466995), (9, 311330), (10, 280197), (15, 186798), (18, 155665), (30, 93399), (45, 62266), (90, 31133), (163, 17190), (191, 14670), (326, 8595), (382, 7335), (489, 5730), (573, 4890), (815, 3438), (955, 2934), (978, 2865), (1146, 2445), (1467, 1910), (1630, 1719)]