1262420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:152

約数の個数: 48

約数和(自身を含む): 2903040

約数和(自身を除く): 1640620

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 47, 68, 79, 85, 94, 158, 170, 188, 235, 316, 340, 395, 470, 790, 799, 940, 1343, 1580, 1598, 2686, 3196, 3713, 3995, 5372, 6715, 7426, 7990, 13430, 14852, 15980, 18565, 26860, 37130, 63121, 74260, 126242, 252484, 315605, 631210, 1262420]

約数ペア:

[(1, 1262420), (2, 631210), (4, 315605), (5, 252484), (10, 126242), (17, 74260), (20, 63121), (34, 37130), (47, 26860), (68, 18565), (79, 15980), (85, 14852), (94, 13430), (158, 7990), (170, 7426), (188, 6715), (235, 5372), (316, 3995), (340, 3713), (395, 3196), (470, 2686), (790, 1598), (799, 1580), (940, 1343)]