156958781975

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{102019}}^1$

素因数の和:102168

約数の個数: 48

約数和(自身を含む): 212528064000

約数和(自身を除く): 55569282025

約数列:

[1, 5, 19, 25, 41, 79, 95, 205, 395, 475, 779, 1025, 1501, 1975, 3239, 3895, 7505, 16195, 19475, 37525, 61541, 80975, 102019, 307705, 510095, 1538525, 1938361, 2550475, 4182779, 8059501, 9691805, 20913895, 40297505, 48459025, 79472801, 104569475, 153130519, 201487525, 330439541, 397364005, 765652595, 1652197705, 1986820025, 3828262975, 6278351279, 8260988525, 31391756395, 156958781975]

約数ペア:

[(1, 156958781975), (5, 31391756395), (19, 8260988525), (25, 6278351279), (41, 3828262975), (79, 1986820025), (95, 1652197705), (205, 765652595), (395, 397364005), (475, 330439541), (779, 201487525), (1025, 153130519), (1501, 104569475), (1975, 79472801), (3239, 48459025), (3895, 40297505), (7505, 20913895), (16195, 9691805), (19475, 8059501), (37525, 4182779), (61541, 2550475), (80975, 1938361), (102019, 1538525), (307705, 510095)]