20199012575

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{4457}}^1$

素因数の和:4569

約数の個数: 96

約数和(自身を含む): 31840819200

約数和(自身を除く): 11641806625

約数列:

[1, 5, 7, 19, 25, 29, 35, 47, 95, 133, 145, 175, 203, 235, 329, 475, 551, 665, 725, 893, 1015, 1175, 1363, 1645, 2755, 3325, 3857, 4457, 4465, 5075, 6251, 6815, 8225, 9541, 13775, 19285, 22285, 22325, 25897, 31199, 31255, 34075, 47705, 84683, 96425, 111425, 129253, 129485, 155995, 156275, 181279, 209479, 238525, 423415, 592781, 646265, 647425, 779975, 904771, 906395, 1047395, 1466353, 2117075, 2455807, 2963905, 3231325, 3980101, 4523855, 4531975, 5236975, 6074891, 7331765, 12279035, 14819525, 17190649, 19900505, 22619275, 27860707, 30374455, 36658825, 42524237, 61395175, 85953245, 99502525, 115422929, 139303535, 151872275, 212621185, 429766225, 577114645, 696517675, 807960503, 1063105925, 2885573225, 4039802515, 20199012575]

約数ペア:

[(1, 20199012575), (5, 4039802515), (7, 2885573225), (19, 1063105925), (25, 807960503), (29, 696517675), (35, 577114645), (47, 429766225), (95, 212621185), (133, 151872275), (145, 139303535), (175, 115422929), (203, 99502525), (235, 85953245), (329, 61395175), (475, 42524237), (551, 36658825), (665, 30374455), (725, 27860707), (893, 22619275), (1015, 19900505), (1175, 17190649), (1363, 14819525), (1645, 12279035), (2755, 7331765), (3325, 6074891), (3857, 5236975), (4457, 4531975), (4465, 4523855), (5075, 3980101), (6251, 3231325), (6815, 2963905), (8225, 2455807), (9541, 2117075), (13775, 1466353), (19285, 1047395), (22285, 906395), (22325, 904771), (25897, 779975), (31199, 647425), (31255, 646265), (34075, 592781), (47705, 423415), (84683, 238525), (96425, 209479), (111425, 181279), (129253, 156275), (129485, 155995)]