28052700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{7193}}^1$

素因数の和:7223

約数の個数: 72

約数和(自身を含む): 87421488

約数和(自身を除く): 59368788

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 7193, 14386, 21579, 28772, 35965, 43158, 71930, 86316, 93509, 107895, 143860, 179825, 187018, 215790, 280527, 359650, 374036, 431580, 467545, 539475, 561054, 719300, 935090, 1078950, 1122108, 1402635, 1870180, 2157900, 2337725, 2805270, 4675450, 5610540, 7013175, 9350900, 14026350, 28052700]

約数ペア:

[(1, 28052700), (2, 14026350), (3, 9350900), (4, 7013175), (5, 5610540), (6, 4675450), (10, 2805270), (12, 2337725), (13, 2157900), (15, 1870180), (20, 1402635), (25, 1122108), (26, 1078950), (30, 935090), (39, 719300), (50, 561054), (52, 539475), (60, 467545), (65, 431580), (75, 374036), (78, 359650), (100, 280527), (130, 215790), (150, 187018), (156, 179825), (195, 143860), (260, 107895), (300, 93509), (325, 86316), (390, 71930), (650, 43158), (780, 35965), (975, 28772), (1300, 21579), (1950, 14386), (3900, 7193)]