218620360

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{1571}}^1$

素因数の和:1667

約数の個数: 96

約数和(自身を含む): 580633920

約数和(自身を除く): 362013560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 71, 98, 140, 142, 196, 245, 280, 284, 355, 392, 490, 497, 568, 710, 980, 994, 1420, 1571, 1960, 1988, 2485, 2840, 3142, 3479, 3976, 4970, 6284, 6958, 7855, 9940, 10997, 12568, 13916, 15710, 17395, 19880, 21994, 27832, 31420, 34790, 43988, 54985, 62840, 69580, 76979, 87976, 109970, 111541, 139160, 153958, 219940, 223082, 307916, 384895, 439880, 446164, 557705, 615832, 769790, 780787, 892328, 1115410, 1539580, 1561574, 2230820, 3079160, 3123148, 3903935, 4461640, 5465509, 6246296, 7807870, 10931018, 15615740, 21862036, 27327545, 31231480, 43724072, 54655090, 109310180, 218620360]

約数ペア:

[(1, 218620360), (2, 109310180), (4, 54655090), (5, 43724072), (7, 31231480), (8, 27327545), (10, 21862036), (14, 15615740), (20, 10931018), (28, 7807870), (35, 6246296), (40, 5465509), (49, 4461640), (56, 3903935), (70, 3123148), (71, 3079160), (98, 2230820), (140, 1561574), (142, 1539580), (196, 1115410), (245, 892328), (280, 780787), (284, 769790), (355, 615832), (392, 557705), (490, 446164), (497, 439880), (568, 384895), (710, 307916), (980, 223082), (994, 219940), (1420, 153958), (1571, 139160), (1960, 111541), (1988, 109970), (2485, 87976), (2840, 76979), (3142, 69580), (3479, 62840), (3976, 54985), (4970, 43988), (6284, 34790), (6958, 31420), (7855, 27832), (9940, 21994), (10997, 19880), (12568, 17395), (13916, 15710)]