493906900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{1361}}^1$

素因数の和:1585

約数の個数: 72

約数和(自身を含む): 1134927360

約数和(自身を除く): 641020460

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 191, 380, 382, 475, 764, 950, 955, 1361, 1900, 1910, 2722, 3629, 3820, 4775, 5444, 6805, 7258, 9550, 13610, 14516, 18145, 19100, 25859, 27220, 34025, 36290, 51718, 68050, 72580, 90725, 103436, 129295, 136100, 181450, 258590, 259951, 362900, 517180, 519902, 646475, 1039804, 1292950, 1299755, 2585900, 2599510, 4939069, 5199020, 6498775, 9878138, 12997550, 19756276, 24695345, 25995100, 49390690, 98781380, 123476725, 246953450, 493906900]

約数ペア:

[(1, 493906900), (2, 246953450), (4, 123476725), (5, 98781380), (10, 49390690), (19, 25995100), (20, 24695345), (25, 19756276), (38, 12997550), (50, 9878138), (76, 6498775), (95, 5199020), (100, 4939069), (190, 2599510), (191, 2585900), (380, 1299755), (382, 1292950), (475, 1039804), (764, 646475), (950, 519902), (955, 517180), (1361, 362900), (1900, 259951), (1910, 258590), (2722, 181450), (3629, 136100), (3820, 129295), (4775, 103436), (5444, 90725), (6805, 72580), (7258, 68050), (9550, 51718), (13610, 36290), (14516, 34025), (18145, 27220), (19100, 25859)]