28006980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{607}}^1\times {\mathrm{769}}^1$

素因数の和:1388

約数の個数: 48

約数和(自身を含む): 78650880

約数和(自身を除く): 50643900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 607, 769, 1214, 1538, 1821, 2307, 2428, 3035, 3076, 3642, 3845, 4614, 6070, 7284, 7690, 9105, 9228, 11535, 12140, 15380, 18210, 23070, 36420, 46140, 466783, 933566, 1400349, 1867132, 2333915, 2800698, 4667830, 5601396, 7001745, 9335660, 14003490, 28006980]

約数ペア:

[(1, 28006980), (2, 14003490), (3, 9335660), (4, 7001745), (5, 5601396), (6, 4667830), (10, 2800698), (12, 2333915), (15, 1867132), (20, 1400349), (30, 933566), (60, 466783), (607, 46140), (769, 36420), (1214, 23070), (1538, 18210), (1821, 15380), (2307, 12140), (2428, 11535), (3035, 9228), (3076, 9105), (3642, 7690), (3845, 7284), (4614, 6070)]