420202784120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{277}}^1\times {\mathrm{174767}}^1$

素因数の和:175093

約数の個数: 128

約数和(自身を含む): 1119410012160

約数和(自身を除く): 699207228040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 277, 280, 310, 434, 554, 620, 868, 1085, 1108, 1240, 1385, 1736, 1939, 2170, 2216, 2770, 3878, 4340, 5540, 7756, 8587, 8680, 9695, 11080, 15512, 17174, 19390, 34348, 38780, 42935, 60109, 68696, 77560, 85870, 120218, 171740, 174767, 240436, 300545, 343480, 349534, 480872, 601090, 699068, 873835, 1202180, 1223369, 1398136, 1747670, 2404360, 2446738, 3495340, 4893476, 5417777, 6116845, 6990680, 9786952, 10835554, 12233690, 21671108, 24467380, 27088885, 37924439, 43342216, 48410459, 48934760, 54177770, 75848878, 96820918, 108355540, 151697756, 189622195, 193641836, 216711080, 242052295, 303395512, 338873213, 379244390, 387283672, 484104590, 677746426, 758488780, 968209180, 1355492852, 1500724229, 1516977560, 1694366065, 1936418360, 2710985704, 3001448458, 3388732130, 6002896916, 6777464260, 7503621145, 10505069603, 12005793832, 13554928520, 15007242290, 21010139206, 30014484580, 42020278412, 52525348015, 60028969160, 84040556824, 105050696030, 210101392060, 420202784120]

約数ペア:

[(1, 420202784120), (2, 210101392060), (4, 105050696030), (5, 84040556824), (7, 60028969160), (8, 52525348015), (10, 42020278412), (14, 30014484580), (20, 21010139206), (28, 15007242290), (31, 13554928520), (35, 12005793832), (40, 10505069603), (56, 7503621145), (62, 6777464260), (70, 6002896916), (124, 3388732130), (140, 3001448458), (155, 2710985704), (217, 1936418360), (248, 1694366065), (277, 1516977560), (280, 1500724229), (310, 1355492852), (434, 968209180), (554, 758488780), (620, 677746426), (868, 484104590), (1085, 387283672), (1108, 379244390), (1240, 338873213), (1385, 303395512), (1736, 242052295), (1939, 216711080), (2170, 193641836), (2216, 189622195), (2770, 151697756), (3878, 108355540), (4340, 96820918), (5540, 75848878), (7756, 54177770), (8587, 48934760), (8680, 48410459), (9695, 43342216), (11080, 37924439), (15512, 27088885), (17174, 24467380), (19390, 21671108), (34348, 12233690), (38780, 10835554), (42935, 9786952), (60109, 6990680), (68696, 6116845), (77560, 5417777), (85870, 4893476), (120218, 3495340), (171740, 2446738), (174767, 2404360), (240436, 1747670), (300545, 1398136), (343480, 1223369), (349534, 1202180), (480872, 873835), (601090, 699068)]