2508860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:230

約数の個数: 48

約数和(自身を含む): 5733504

約数和(自身を除く): 3224644

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 47, 68, 85, 94, 157, 170, 188, 235, 314, 340, 470, 628, 785, 799, 940, 1570, 1598, 2669, 3140, 3196, 3995, 5338, 7379, 7990, 10676, 13345, 14758, 15980, 26690, 29516, 36895, 53380, 73790, 125443, 147580, 250886, 501772, 627215, 1254430, 2508860]

約数ペア:

[(1, 2508860), (2, 1254430), (4, 627215), (5, 501772), (10, 250886), (17, 147580), (20, 125443), (34, 73790), (47, 53380), (68, 36895), (85, 29516), (94, 26690), (157, 15980), (170, 14758), (188, 13345), (235, 10676), (314, 7990), (340, 7379), (470, 5338), (628, 3995), (785, 3196), (799, 3140), (940, 2669), (1570, 1598)]