860555980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{133213}}^1$

素因数の和:133258

約数の個数: 48

約数和(自身を含む): 2014195680

約数和(自身を除く): 1153639700

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3230, 6460, 133213, 266426, 532852, 666065, 1332130, 2264621, 2531047, 2664260, 4529242, 5062094, 9058484, 10124188, 11323105, 12655235, 22646210, 25310470, 43027799, 45292420, 50620940, 86055598, 172111196, 215138995, 430277990, 860555980]

約数ペア:

[(1, 860555980), (2, 430277990), (4, 215138995), (5, 172111196), (10, 86055598), (17, 50620940), (19, 45292420), (20, 43027799), (34, 25310470), (38, 22646210), (68, 12655235), (76, 11323105), (85, 10124188), (95, 9058484), (170, 5062094), (190, 4529242), (323, 2664260), (340, 2531047), (380, 2264621), (646, 1332130), (1292, 666065), (1615, 532852), (3230, 266426), (6460, 133213)]