28857400

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1009}}^1$

素因数の和:1049

約数の個数: 96

約数和(自身を含む): 78901200

約数和(自身を除く): 50043800

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 25, 26, 40, 44, 50, 52, 55, 65, 88, 100, 104, 110, 130, 143, 200, 220, 260, 275, 286, 325, 440, 520, 550, 572, 650, 715, 1009, 1100, 1144, 1300, 1430, 2018, 2200, 2600, 2860, 3575, 4036, 5045, 5720, 7150, 8072, 10090, 11099, 13117, 14300, 20180, 22198, 25225, 26234, 28600, 40360, 44396, 50450, 52468, 55495, 65585, 88792, 100900, 104936, 110990, 131170, 144287, 201800, 221980, 262340, 277475, 288574, 327925, 443960, 524680, 554950, 577148, 655850, 721435, 1109900, 1154296, 1311700, 1442870, 2219800, 2623400, 2885740, 3607175, 5771480, 7214350, 14428700, 28857400]

約数ペア:

[(1, 28857400), (2, 14428700), (4, 7214350), (5, 5771480), (8, 3607175), (10, 2885740), (11, 2623400), (13, 2219800), (20, 1442870), (22, 1311700), (25, 1154296), (26, 1109900), (40, 721435), (44, 655850), (50, 577148), (52, 554950), (55, 524680), (65, 443960), (88, 327925), (100, 288574), (104, 277475), (110, 262340), (130, 221980), (143, 201800), (200, 144287), (220, 131170), (260, 110990), (275, 104936), (286, 100900), (325, 88792), (440, 65585), (520, 55495), (550, 52468), (572, 50450), (650, 44396), (715, 40360), (1009, 28600), (1100, 26234), (1144, 25225), (1300, 22198), (1430, 20180), (2018, 14300), (2200, 13117), (2600, 11099), (2860, 10090), (3575, 8072), (4036, 7150), (5045, 5720)]