284340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{677}}^1$

素因数の和:696

約数の個数: 48

約数和(自身を含む): 911232

約数和(自身を除く): 626892

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, 677, 1354, 2031, 2708, 3385, 4062, 4739, 6770, 8124, 9478, 10155, 13540, 14217, 18956, 20310, 23695, 28434, 40620, 47390, 56868, 71085, 94780, 142170, 284340]

約数ペア:

[(1, 284340), (2, 142170), (3, 94780), (4, 71085), (5, 56868), (6, 47390), (7, 40620), (10, 28434), (12, 23695), (14, 20310), (15, 18956), (20, 14217), (21, 13540), (28, 10155), (30, 9478), (35, 8124), (42, 6770), (60, 4739), (70, 4062), (84, 3385), (105, 2708), (140, 2031), (210, 1354), (420, 677)]