28954000

素因数分解:

$2^4\times 5^3\times {\mathrm{31}}^1\times {\mathrm{467}}^1$

素因数の和:521

約数の個数: 80

約数和(自身を含む): 72423936

約数和(自身を除く): 43469936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 125, 155, 200, 248, 250, 310, 400, 467, 496, 500, 620, 775, 934, 1000, 1240, 1550, 1868, 2000, 2335, 2480, 3100, 3736, 3875, 4670, 6200, 7472, 7750, 9340, 11675, 12400, 14477, 15500, 18680, 23350, 28954, 31000, 37360, 46700, 57908, 58375, 62000, 72385, 93400, 115816, 116750, 144770, 186800, 231632, 233500, 289540, 361925, 467000, 579080, 723850, 934000, 1158160, 1447700, 1809625, 2895400, 3619250, 5790800, 7238500, 14477000, 28954000]

約数ペア:

[(1, 28954000), (2, 14477000), (4, 7238500), (5, 5790800), (8, 3619250), (10, 2895400), (16, 1809625), (20, 1447700), (25, 1158160), (31, 934000), (40, 723850), (50, 579080), (62, 467000), (80, 361925), (100, 289540), (124, 233500), (125, 231632), (155, 186800), (200, 144770), (248, 116750), (250, 115816), (310, 93400), (400, 72385), (467, 62000), (496, 58375), (500, 57908), (620, 46700), (775, 37360), (934, 31000), (1000, 28954), (1240, 23350), (1550, 18680), (1868, 15500), (2000, 14477), (2335, 12400), (2480, 11675), (3100, 9340), (3736, 7750), (3875, 7472), (4670, 6200)]