2888600

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1$

素因数の和:141

約数の個数: 96

約数和(自身を含む): 7968240

約数和(自身を除く): 5079640

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 25, 26, 40, 44, 50, 52, 55, 65, 88, 100, 101, 104, 110, 130, 143, 200, 202, 220, 260, 275, 286, 325, 404, 440, 505, 520, 550, 572, 650, 715, 808, 1010, 1100, 1111, 1144, 1300, 1313, 1430, 2020, 2200, 2222, 2525, 2600, 2626, 2860, 3575, 4040, 4444, 5050, 5252, 5555, 5720, 6565, 7150, 8888, 10100, 10504, 11110, 13130, 14300, 14443, 20200, 22220, 26260, 27775, 28600, 28886, 32825, 44440, 52520, 55550, 57772, 65650, 72215, 111100, 115544, 131300, 144430, 222200, 262600, 288860, 361075, 577720, 722150, 1444300, 2888600]

約数ペア:

[(1, 2888600), (2, 1444300), (4, 722150), (5, 577720), (8, 361075), (10, 288860), (11, 262600), (13, 222200), (20, 144430), (22, 131300), (25, 115544), (26, 111100), (40, 72215), (44, 65650), (50, 57772), (52, 55550), (55, 52520), (65, 44440), (88, 32825), (100, 28886), (101, 28600), (104, 27775), (110, 26260), (130, 22220), (143, 20200), (200, 14443), (202, 14300), (220, 13130), (260, 11110), (275, 10504), (286, 10100), (325, 8888), (404, 7150), (440, 6565), (505, 5720), (520, 5555), (550, 5252), (572, 5050), (650, 4444), (715, 4040), (808, 3575), (1010, 2860), (1100, 2626), (1111, 2600), (1144, 2525), (1300, 2222), (1313, 2200), (1430, 2020)]