18128600

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{563}}^1$

素因数の和:609

約数の個数: 96

約数和(自身を含む): 50353920

約数和(自身を除く): 32225320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 25, 28, 35, 40, 46, 50, 56, 70, 92, 100, 115, 140, 161, 175, 184, 200, 230, 280, 322, 350, 460, 563, 575, 644, 700, 805, 920, 1126, 1150, 1288, 1400, 1610, 2252, 2300, 2815, 3220, 3941, 4025, 4504, 4600, 5630, 6440, 7882, 8050, 11260, 12949, 14075, 15764, 16100, 19705, 22520, 25898, 28150, 31528, 32200, 39410, 51796, 56300, 64745, 78820, 90643, 98525, 103592, 112600, 129490, 157640, 181286, 197050, 258980, 323725, 362572, 394100, 453215, 517960, 647450, 725144, 788200, 906430, 1294900, 1812860, 2266075, 2589800, 3625720, 4532150, 9064300, 18128600]

約数ペア:

[(1, 18128600), (2, 9064300), (4, 4532150), (5, 3625720), (7, 2589800), (8, 2266075), (10, 1812860), (14, 1294900), (20, 906430), (23, 788200), (25, 725144), (28, 647450), (35, 517960), (40, 453215), (46, 394100), (50, 362572), (56, 323725), (70, 258980), (92, 197050), (100, 181286), (115, 157640), (140, 129490), (161, 112600), (175, 103592), (184, 98525), (200, 90643), (230, 78820), (280, 64745), (322, 56300), (350, 51796), (460, 39410), (563, 32200), (575, 31528), (644, 28150), (700, 25898), (805, 22520), (920, 19705), (1126, 16100), (1150, 15764), (1288, 14075), (1400, 12949), (1610, 11260), (2252, 8050), (2300, 7882), (2815, 6440), (3220, 5630), (3941, 4600), (4025, 4504)]