2389410

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{191}}^1$

素因数の和:343

約数の個数: 48

約数和(自身を含む): 6289920

約数和(自身を除く): 3900510

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 139, 191, 278, 382, 417, 573, 695, 834, 955, 1146, 1251, 1390, 1719, 1910, 2085, 2502, 2865, 3438, 4170, 5730, 6255, 8595, 12510, 17190, 26549, 53098, 79647, 132745, 159294, 238941, 265490, 398235, 477882, 796470, 1194705, 2389410]

約数ペア:

[(1, 2389410), (2, 1194705), (3, 796470), (5, 477882), (6, 398235), (9, 265490), (10, 238941), (15, 159294), (18, 132745), (30, 79647), (45, 53098), (90, 26549), (139, 17190), (191, 12510), (278, 8595), (382, 6255), (417, 5730), (573, 4170), (695, 3438), (834, 2865), (955, 2502), (1146, 2085), (1251, 1910), (1390, 1719)]