28760340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{68477}}^1$

素因数の和:68496

約数の個数: 48

約数和(自身を含む): 92034432

約数和(自身を除く): 63274092

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, 68477, 136954, 205431, 273908, 342385, 410862, 479339, 684770, 821724, 958678, 1027155, 1369540, 1438017, 1917356, 2054310, 2396695, 2876034, 4108620, 4793390, 5752068, 7190085, 9586780, 14380170, 28760340]

約数ペア:

[(1, 28760340), (2, 14380170), (3, 9586780), (4, 7190085), (5, 5752068), (6, 4793390), (7, 4108620), (10, 2876034), (12, 2396695), (14, 2054310), (15, 1917356), (20, 1438017), (21, 1369540), (28, 1027155), (30, 958678), (35, 821724), (42, 684770), (60, 479339), (70, 410862), (84, 342385), (105, 273908), (140, 205431), (210, 136954), (420, 68477)]