1707980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:158

約数の個数: 48

約数和(自身を含む): 3870720

約数和(自身を除く): 2162740

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 47, 79, 92, 94, 115, 158, 188, 230, 235, 316, 395, 460, 470, 790, 940, 1081, 1580, 1817, 2162, 3634, 3713, 4324, 5405, 7268, 7426, 9085, 10810, 14852, 18170, 18565, 21620, 36340, 37130, 74260, 85399, 170798, 341596, 426995, 853990, 1707980]

約数ペア:

[(1, 1707980), (2, 853990), (4, 426995), (5, 341596), (10, 170798), (20, 85399), (23, 74260), (46, 37130), (47, 36340), (79, 21620), (92, 18565), (94, 18170), (115, 14852), (158, 10810), (188, 9085), (230, 7426), (235, 7268), (316, 5405), (395, 4324), (460, 3713), (470, 3634), (790, 2162), (940, 1817), (1081, 1580)]