1970820400

素因数分解:

$2^4\times 5^2\times {\mathrm{271}}^1\times {\mathrm{18181}}^1$

素因数の和:18470

約数の個数: 60

約数和(自身を含む): 4752629344

約数和(自身を除く): 2781808944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 271, 400, 542, 1084, 1355, 2168, 2710, 4336, 5420, 6775, 10840, 13550, 18181, 21680, 27100, 36362, 54200, 72724, 90905, 108400, 145448, 181810, 290896, 363620, 454525, 727240, 909050, 1454480, 1818100, 3636200, 4927051, 7272400, 9854102, 19708204, 24635255, 39416408, 49270510, 78832816, 98541020, 123176275, 197082040, 246352550, 394164080, 492705100, 985410200, 1970820400]

約数ペア:

[(1, 1970820400), (2, 985410200), (4, 492705100), (5, 394164080), (8, 246352550), (10, 197082040), (16, 123176275), (20, 98541020), (25, 78832816), (40, 49270510), (50, 39416408), (80, 24635255), (100, 19708204), (200, 9854102), (271, 7272400), (400, 4927051), (542, 3636200), (1084, 1818100), (1355, 1454480), (2168, 909050), (2710, 727240), (4336, 454525), (5420, 363620), (6775, 290896), (10840, 181810), (13550, 145448), (18181, 108400), (21680, 90905), (27100, 72724), (36362, 54200)]