28483980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{67819}}^1$

素因数の和:67838

約数の個数: 48

約数和(自身を含む): 91150080

約数和(自身を除く): 62666100

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, 67819, 135638, 203457, 271276, 339095, 406914, 474733, 678190, 813828, 949466, 1017285, 1356380, 1424199, 1898932, 2034570, 2373665, 2848398, 4069140, 4747330, 5696796, 7120995, 9494660, 14241990, 28483980]

約数ペア:

[(1, 28483980), (2, 14241990), (3, 9494660), (4, 7120995), (5, 5696796), (6, 4747330), (7, 4069140), (10, 2848398), (12, 2373665), (14, 2034570), (15, 1898932), (20, 1424199), (21, 1356380), (28, 1017285), (30, 949466), (35, 813828), (42, 678190), (60, 474733), (70, 406914), (84, 339095), (105, 271276), (140, 203457), (210, 135638), (420, 67819)]