127504420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:253

約数の個数: 96

約数和(自身を含む): 296110080

約数和(自身を除く): 168605660

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 47, 68, 79, 85, 94, 101, 158, 170, 188, 202, 235, 316, 340, 395, 404, 470, 505, 790, 799, 940, 1010, 1343, 1580, 1598, 1717, 2020, 2686, 3196, 3434, 3713, 3995, 4747, 5372, 6715, 6868, 7426, 7979, 7990, 8585, 9494, 13430, 14852, 15958, 15980, 17170, 18565, 18988, 23735, 26860, 31916, 34340, 37130, 39895, 47470, 63121, 74260, 79790, 80699, 94940, 126242, 135643, 159580, 161398, 252484, 271286, 315605, 322796, 375013, 403495, 542572, 631210, 678215, 750026, 806990, 1262420, 1356430, 1500052, 1613980, 1875065, 2712860, 3750130, 6375221, 7500260, 12750442, 25500884, 31876105, 63752210, 127504420]

約数ペア:

[(1, 127504420), (2, 63752210), (4, 31876105), (5, 25500884), (10, 12750442), (17, 7500260), (20, 6375221), (34, 3750130), (47, 2712860), (68, 1875065), (79, 1613980), (85, 1500052), (94, 1356430), (101, 1262420), (158, 806990), (170, 750026), (188, 678215), (202, 631210), (235, 542572), (316, 403495), (340, 375013), (395, 322796), (404, 315605), (470, 271286), (505, 252484), (790, 161398), (799, 159580), (940, 135643), (1010, 126242), (1343, 94940), (1580, 80699), (1598, 79790), (1717, 74260), (2020, 63121), (2686, 47470), (3196, 39895), (3434, 37130), (3713, 34340), (3995, 31916), (4747, 26860), (5372, 23735), (6715, 18988), (6868, 18565), (7426, 17170), (7979, 15980), (7990, 15958), (8585, 14852), (9494, 13430)]