212322770

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{461}}^1$

素因数の和:611

約数の個数: 64

約数和(自身を含む): 431101440

約数和(自身を除く): 218778670

約数列:

[1, 2, 5, 10, 11, 22, 53, 55, 79, 106, 110, 158, 265, 395, 461, 530, 583, 790, 869, 922, 1166, 1738, 2305, 2915, 4187, 4345, 4610, 5071, 5830, 8374, 8690, 10142, 20935, 24433, 25355, 36419, 41870, 46057, 48866, 50710, 72838, 92114, 122165, 182095, 230285, 244330, 268763, 364190, 400609, 460570, 537526, 801218, 1343815, 1930207, 2003045, 2687630, 3860414, 4006090, 9651035, 19302070, 21232277, 42464554, 106161385, 212322770]

約数ペア:

[(1, 212322770), (2, 106161385), (5, 42464554), (10, 21232277), (11, 19302070), (22, 9651035), (53, 4006090), (55, 3860414), (79, 2687630), (106, 2003045), (110, 1930207), (158, 1343815), (265, 801218), (395, 537526), (461, 460570), (530, 400609), (583, 364190), (790, 268763), (869, 244330), (922, 230285), (1166, 182095), (1738, 122165), (2305, 92114), (2915, 72838), (4187, 50710), (4345, 48866), (4610, 46057), (5071, 41870), (5830, 36419), (8374, 25355), (8690, 24433), (10142, 20935)]