804940400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^2\times {\mathrm{16631}}^1$

素因数の和:16671

約数の個数: 90

約数和(自身を含む): 2125785816

約数和(自身を除く): 1320845416

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 121, 176, 200, 220, 242, 275, 400, 440, 484, 550, 605, 880, 968, 1100, 1210, 1936, 2200, 2420, 3025, 4400, 4840, 6050, 9680, 12100, 16631, 24200, 33262, 48400, 66524, 83155, 133048, 166310, 182941, 266096, 332620, 365882, 415775, 665240, 731764, 831550, 914705, 1330480, 1463528, 1663100, 1829410, 2012351, 2927056, 3326200, 3658820, 4024702, 4573525, 6652400, 7317640, 8049404, 9147050, 10061755, 14635280, 16098808, 18294100, 20123510, 32197616, 36588200, 40247020, 50308775, 73176400, 80494040, 100617550, 160988080, 201235100, 402470200, 804940400]

約数ペア:

[(1, 804940400), (2, 402470200), (4, 201235100), (5, 160988080), (8, 100617550), (10, 80494040), (11, 73176400), (16, 50308775), (20, 40247020), (22, 36588200), (25, 32197616), (40, 20123510), (44, 18294100), (50, 16098808), (55, 14635280), (80, 10061755), (88, 9147050), (100, 8049404), (110, 7317640), (121, 6652400), (176, 4573525), (200, 4024702), (220, 3658820), (242, 3326200), (275, 2927056), (400, 2012351), (440, 1829410), (484, 1663100), (550, 1463528), (605, 1330480), (880, 914705), (968, 831550), (1100, 731764), (1210, 665240), (1936, 415775), (2200, 365882), (2420, 332620), (3025, 266096), (4400, 182941), (4840, 166310), (6050, 133048), (9680, 83155), (12100, 66524), (16631, 48400), (24200, 33262)]