271780360

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{399677}}^1$

素因数の和:399705

約数の個数: 32

約数和(自身を含む): 647478360

約数和(自身を除く): 375698000

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 399677, 799354, 1598708, 1998385, 3197416, 3996770, 6794509, 7993540, 13589018, 15987080, 27178036, 33972545, 54356072, 67945090, 135890180, 271780360]

約数ペア:

[(1, 271780360), (2, 135890180), (4, 67945090), (5, 54356072), (8, 33972545), (10, 27178036), (17, 15987080), (20, 13589018), (34, 7993540), (40, 6794509), (68, 3996770), (85, 3197416), (136, 1998385), (170, 1598708), (340, 799354), (680, 399677)]