2642900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1$

素因数の和:153

約数の個数: 72

約数和(自身を含む): 6562080

約数和(自身を除く): 3919180

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 25, 26, 38, 50, 52, 65, 76, 95, 100, 107, 130, 190, 214, 247, 260, 325, 380, 428, 475, 494, 535, 650, 950, 988, 1070, 1235, 1300, 1391, 1900, 2033, 2140, 2470, 2675, 2782, 4066, 4940, 5350, 5564, 6175, 6955, 8132, 10165, 10700, 12350, 13910, 20330, 24700, 26429, 27820, 34775, 40660, 50825, 52858, 69550, 101650, 105716, 132145, 139100, 203300, 264290, 528580, 660725, 1321450, 2642900]

約数ペア:

[(1, 2642900), (2, 1321450), (4, 660725), (5, 528580), (10, 264290), (13, 203300), (19, 139100), (20, 132145), (25, 105716), (26, 101650), (38, 69550), (50, 52858), (52, 50825), (65, 40660), (76, 34775), (95, 27820), (100, 26429), (107, 24700), (130, 20330), (190, 13910), (214, 12350), (247, 10700), (260, 10165), (325, 8132), (380, 6955), (428, 6175), (475, 5564), (494, 5350), (535, 4940), (650, 4066), (950, 2782), (988, 2675), (1070, 2470), (1235, 2140), (1300, 2033), (1391, 1900)]