1282102900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{51907}}^1$

素因数の和:51953

約数の個数: 72

約数和(自身を含む): 3153930080

約数和(自身を除く): 1871827180

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 25, 26, 38, 50, 52, 65, 76, 95, 100, 130, 190, 247, 260, 325, 380, 475, 494, 650, 950, 988, 1235, 1300, 1900, 2470, 4940, 6175, 12350, 24700, 51907, 103814, 207628, 259535, 519070, 674791, 986233, 1038140, 1297675, 1349582, 1972466, 2595350, 2699164, 3373955, 3944932, 4931165, 5190700, 6747910, 9862330, 12821029, 13495820, 16869775, 19724660, 24655825, 25642058, 33739550, 49311650, 51284116, 64105145, 67479100, 98623300, 128210290, 256420580, 320525725, 641051450, 1282102900]

約数ペア:

[(1, 1282102900), (2, 641051450), (4, 320525725), (5, 256420580), (10, 128210290), (13, 98623300), (19, 67479100), (20, 64105145), (25, 51284116), (26, 49311650), (38, 33739550), (50, 25642058), (52, 24655825), (65, 19724660), (76, 16869775), (95, 13495820), (100, 12821029), (130, 9862330), (190, 6747910), (247, 5190700), (260, 4931165), (325, 3944932), (380, 3373955), (475, 2699164), (494, 2595350), (650, 1972466), (950, 1349582), (988, 1297675), (1235, 1038140), (1300, 986233), (1900, 674791), (2470, 519070), (4940, 259535), (6175, 207628), (12350, 103814), (24700, 51907)]