405942125

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{2897}}^1$

素因数の和:2990

約数の個数: 32

約数和(自身を含む): 542505600

約数和(自身を除く): 136563475

約数列:

[1, 5, 19, 25, 59, 95, 125, 295, 475, 1121, 1475, 2375, 2897, 5605, 7375, 14485, 28025, 55043, 72425, 140125, 170923, 275215, 362125, 854615, 1376075, 3247537, 4273075, 6880375, 16237685, 21365375, 81188425, 405942125]

約数ペア:

[(1, 405942125), (5, 81188425), (19, 21365375), (25, 16237685), (59, 6880375), (95, 4273075), (125, 3247537), (295, 1376075), (475, 854615), (1121, 362125), (1475, 275215), (2375, 170923), (2897, 140125), (5605, 72425), (7375, 55043), (14485, 28025)]