22900900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1$

素因数の和:325

約数の個数: 72

約数和(自身を含む): 54996480

約数和(自身を除く): 32095580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 109, 110, 191, 218, 220, 275, 382, 436, 545, 550, 764, 955, 1090, 1100, 1199, 1910, 2101, 2180, 2398, 2725, 3820, 4202, 4775, 4796, 5450, 5995, 8404, 9550, 10505, 10900, 11990, 19100, 20819, 21010, 23980, 29975, 41638, 42020, 52525, 59950, 83276, 104095, 105050, 119900, 208190, 210100, 229009, 416380, 458018, 520475, 916036, 1040950, 1145045, 2081900, 2290090, 4580180, 5725225, 11450450, 22900900]

約数ペア:

[(1, 22900900), (2, 11450450), (4, 5725225), (5, 4580180), (10, 2290090), (11, 2081900), (20, 1145045), (22, 1040950), (25, 916036), (44, 520475), (50, 458018), (55, 416380), (100, 229009), (109, 210100), (110, 208190), (191, 119900), (218, 105050), (220, 104095), (275, 83276), (382, 59950), (436, 52525), (545, 42020), (550, 41638), (764, 29975), (955, 23980), (1090, 21010), (1100, 20819), (1199, 19100), (1910, 11990), (2101, 10900), (2180, 10505), (2398, 9550), (2725, 8404), (3820, 5995), (4202, 5450), (4775, 4796)]