201820190

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{1319}}^1$

素因数の和:1457

約数の個数: 64

約数和(自身を含む): 431101440

約数和(自身を除く): 229281250

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 107, 110, 130, 143, 214, 286, 535, 715, 1070, 1177, 1319, 1391, 1430, 2354, 2638, 2782, 5885, 6595, 6955, 11770, 13190, 13910, 14509, 15301, 17147, 29018, 30602, 34294, 72545, 76505, 85735, 141133, 145090, 153010, 171470, 188617, 282266, 377234, 705665, 943085, 1411330, 1552463, 1834729, 1886170, 3104926, 3669458, 7762315, 9173645, 15524630, 18347290, 20182019, 40364038, 100910095, 201820190]

約数ペア:

[(1, 201820190), (2, 100910095), (5, 40364038), (10, 20182019), (11, 18347290), (13, 15524630), (22, 9173645), (26, 7762315), (55, 3669458), (65, 3104926), (107, 1886170), (110, 1834729), (130, 1552463), (143, 1411330), (214, 943085), (286, 705665), (535, 377234), (715, 282266), (1070, 188617), (1177, 171470), (1319, 153010), (1391, 145090), (1430, 141133), (2354, 85735), (2638, 76505), (2782, 72545), (5885, 34294), (6595, 30602), (6955, 29018), (11770, 17147), (13190, 15301), (13910, 14509)]