355190990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:258

約数の個数: 128

約数和(自身を含む): 828610560

約数和(自身を除く): 473419570

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 71, 73, 77, 89, 110, 142, 146, 154, 178, 355, 365, 385, 445, 497, 511, 623, 710, 730, 770, 781, 803, 890, 979, 994, 1022, 1246, 1562, 1606, 1958, 2485, 2555, 3115, 3905, 4015, 4895, 4970, 5110, 5183, 5467, 5621, 6230, 6319, 6497, 6853, 7810, 8030, 9790, 10366, 10934, 11242, 12638, 12994, 13706, 25915, 27335, 28105, 31595, 32485, 34265, 36281, 44233, 45479, 51830, 54670, 56210, 57013, 63190, 64970, 68530, 69509, 71467, 72562, 88466, 90958, 114026, 139018, 142934, 181405, 221165, 227395, 285065, 347545, 357335, 362810, 399091, 442330, 454790, 461287, 486563, 500269, 570130, 695090, 714670, 798182, 922574, 973126, 1000538, 1995455, 2306435, 2432815, 2501345, 3229009, 3990910, 4612870, 4865630, 5002690, 5074157, 6458018, 10148314, 16145045, 25370785, 32290090, 35519099, 50741570, 71038198, 177595495, 355190990]

約数ペア:

[(1, 355190990), (2, 177595495), (5, 71038198), (7, 50741570), (10, 35519099), (11, 32290090), (14, 25370785), (22, 16145045), (35, 10148314), (55, 6458018), (70, 5074157), (71, 5002690), (73, 4865630), (77, 4612870), (89, 3990910), (110, 3229009), (142, 2501345), (146, 2432815), (154, 2306435), (178, 1995455), (355, 1000538), (365, 973126), (385, 922574), (445, 798182), (497, 714670), (511, 695090), (623, 570130), (710, 500269), (730, 486563), (770, 461287), (781, 454790), (803, 442330), (890, 399091), (979, 362810), (994, 357335), (1022, 347545), (1246, 285065), (1562, 227395), (1606, 221165), (1958, 181405), (2485, 142934), (2555, 139018), (3115, 114026), (3905, 90958), (4015, 88466), (4895, 72562), (4970, 71467), (5110, 69509), (5183, 68530), (5467, 64970), (5621, 63190), (6230, 57013), (6319, 56210), (6497, 54670), (6853, 51830), (7810, 45479), (8030, 44233), (9790, 36281), (10366, 34265), (10934, 32485), (11242, 31595), (12638, 28105), (12994, 27335), (13706, 25915)]