210330920

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{151}}^1\times {\mathrm{359}}^1$

素因数の和:618

約数の個数: 64

約数和(自身を含む): 482630400

約数和(自身を除く): 272299480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 151, 194, 302, 359, 388, 485, 604, 718, 755, 776, 970, 1208, 1436, 1510, 1795, 1940, 2872, 3020, 3590, 3880, 6040, 7180, 14360, 14647, 29294, 34823, 54209, 58588, 69646, 73235, 108418, 117176, 139292, 146470, 174115, 216836, 271045, 278584, 292940, 348230, 433672, 542090, 585880, 696460, 1084180, 1392920, 2168360, 5258273, 10516546, 21033092, 26291365, 42066184, 52582730, 105165460, 210330920]

約数ペア:

[(1, 210330920), (2, 105165460), (4, 52582730), (5, 42066184), (8, 26291365), (10, 21033092), (20, 10516546), (40, 5258273), (97, 2168360), (151, 1392920), (194, 1084180), (302, 696460), (359, 585880), (388, 542090), (485, 433672), (604, 348230), (718, 292940), (755, 278584), (776, 271045), (970, 216836), (1208, 174115), (1436, 146470), (1510, 139292), (1795, 117176), (1940, 108418), (2872, 73235), (3020, 69646), (3590, 58588), (3880, 54209), (6040, 34823), (7180, 29294), (14360, 14647)]