208481660

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{9643}}^1$

素因数の和:9722

約数の個数: 48

約数和(自身を含む): 466615296

約数和(自身を除く): 258133636

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 47, 92, 94, 115, 188, 230, 235, 460, 470, 940, 1081, 2162, 4324, 5405, 9643, 10810, 19286, 21620, 38572, 48215, 96430, 192860, 221789, 443578, 453221, 887156, 906442, 1108945, 1812884, 2217890, 2266105, 4435780, 4532210, 9064420, 10424083, 20848166, 41696332, 52120415, 104240830, 208481660]

約数ペア:

[(1, 208481660), (2, 104240830), (4, 52120415), (5, 41696332), (10, 20848166), (20, 10424083), (23, 9064420), (46, 4532210), (47, 4435780), (92, 2266105), (94, 2217890), (115, 1812884), (188, 1108945), (230, 906442), (235, 887156), (460, 453221), (470, 443578), (940, 221789), (1081, 192860), (2162, 96430), (4324, 48215), (5405, 38572), (9643, 21620), (10810, 19286)]