4490380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{281}}^1$

素因数の和:354

約数の個数: 48

約数和(自身を含む): 10233216

約数和(自身を除く): 5742836

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 47, 68, 85, 94, 170, 188, 235, 281, 340, 470, 562, 799, 940, 1124, 1405, 1598, 2810, 3196, 3995, 4777, 5620, 7990, 9554, 13207, 15980, 19108, 23885, 26414, 47770, 52828, 66035, 95540, 132070, 224519, 264140, 449038, 898076, 1122595, 2245190, 4490380]

約数ペア:

[(1, 4490380), (2, 2245190), (4, 1122595), (5, 898076), (10, 449038), (17, 264140), (20, 224519), (34, 132070), (47, 95540), (68, 66035), (85, 52828), (94, 47770), (170, 26414), (188, 23885), (235, 19108), (281, 15980), (340, 13207), (470, 9554), (562, 7990), (799, 5620), (940, 4777), (1124, 3995), (1405, 3196), (1598, 2810)]