28870600

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^2\times {\mathrm{1193}}^1$

素因数の和:1231

約数の個数: 72

約数和(自身を含む): 73842930

約数和(自身を除く): 44972330

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 121, 200, 220, 242, 275, 440, 484, 550, 605, 968, 1100, 1193, 1210, 2200, 2386, 2420, 3025, 4772, 4840, 5965, 6050, 9544, 11930, 12100, 13123, 23860, 24200, 26246, 29825, 47720, 52492, 59650, 65615, 104984, 119300, 131230, 144353, 238600, 262460, 288706, 328075, 524920, 577412, 656150, 721765, 1154824, 1312300, 1443530, 2624600, 2887060, 3608825, 5774120, 7217650, 14435300, 28870600]

約数ペア:

[(1, 28870600), (2, 14435300), (4, 7217650), (5, 5774120), (8, 3608825), (10, 2887060), (11, 2624600), (20, 1443530), (22, 1312300), (25, 1154824), (40, 721765), (44, 656150), (50, 577412), (55, 524920), (88, 328075), (100, 288706), (110, 262460), (121, 238600), (200, 144353), (220, 131230), (242, 119300), (275, 104984), (440, 65615), (484, 59650), (550, 52492), (605, 47720), (968, 29825), (1100, 26246), (1193, 24200), (1210, 23860), (2200, 13123), (2386, 12100), (2420, 11930), (3025, 9544), (4772, 6050), (4840, 5965)]