208941040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{317}}^1$

素因数の和:455

約数の個数: 160

約数和(自身を含む): 613246464

約数和(自身を除く): 404305424

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 107, 110, 112, 140, 154, 176, 214, 220, 280, 308, 317, 385, 428, 440, 535, 560, 616, 634, 749, 770, 856, 880, 1070, 1177, 1232, 1268, 1498, 1540, 1585, 1712, 2140, 2219, 2354, 2536, 2996, 3080, 3170, 3487, 3745, 4280, 4438, 4708, 5072, 5885, 5992, 6160, 6340, 6974, 7490, 8239, 8560, 8876, 9416, 11095, 11770, 11984, 12680, 13948, 14980, 16478, 17435, 17752, 18832, 22190, 23540, 24409, 25360, 27896, 29960, 32956, 33919, 34870, 35504, 41195, 44380, 47080, 48818, 55792, 59920, 65912, 67838, 69740, 82390, 88760, 94160, 97636, 122045, 131824, 135676, 139480, 164780, 169595, 177520, 195272, 237433, 244090, 271352, 278960, 329560, 339190, 373109, 390544, 474866, 488180, 542704, 659120, 678380, 746218, 949732, 976360, 1187165, 1356760, 1492436, 1865545, 1899464, 1952720, 2374330, 2611763, 2713520, 2984872, 3731090, 3798928, 4748660, 5223526, 5969744, 7462180, 9497320, 10447052, 13058815, 14924360, 18994640, 20894104, 26117630, 29848720, 41788208, 52235260, 104470520, 208941040]

約数ペア:

[(1, 208941040), (2, 104470520), (4, 52235260), (5, 41788208), (7, 29848720), (8, 26117630), (10, 20894104), (11, 18994640), (14, 14924360), (16, 13058815), (20, 10447052), (22, 9497320), (28, 7462180), (35, 5969744), (40, 5223526), (44, 4748660), (55, 3798928), (56, 3731090), (70, 2984872), (77, 2713520), (80, 2611763), (88, 2374330), (107, 1952720), (110, 1899464), (112, 1865545), (140, 1492436), (154, 1356760), (176, 1187165), (214, 976360), (220, 949732), (280, 746218), (308, 678380), (317, 659120), (385, 542704), (428, 488180), (440, 474866), (535, 390544), (560, 373109), (616, 339190), (634, 329560), (749, 278960), (770, 271352), (856, 244090), (880, 237433), (1070, 195272), (1177, 177520), (1232, 169595), (1268, 164780), (1498, 139480), (1540, 135676), (1585, 131824), (1712, 122045), (2140, 97636), (2219, 94160), (2354, 88760), (2536, 82390), (2996, 69740), (3080, 67838), (3170, 65912), (3487, 59920), (3745, 55792), (4280, 48818), (4438, 47080), (4708, 44380), (5072, 41195), (5885, 35504), (5992, 34870), (6160, 33919), (6340, 32956), (6974, 29960), (7490, 27896), (8239, 25360), (8560, 24409), (8876, 23540), (9416, 22190), (11095, 18832), (11770, 17752), (11984, 17435), (12680, 16478), (13948, 14980)]