28906110

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{509}}^1\times {\mathrm{631}}^1$

素因数の和:1153

約数の個数: 48

約数和(自身を含む): 75422880

約数和(自身を除く): 46516770

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 509, 631, 1018, 1262, 1527, 1893, 2545, 3054, 3155, 3786, 4581, 5090, 5679, 6310, 7635, 9162, 9465, 11358, 15270, 18930, 22905, 28395, 45810, 56790, 321179, 642358, 963537, 1605895, 1927074, 2890611, 3211790, 4817685, 5781222, 9635370, 14453055, 28906110]

約数ペア:

[(1, 28906110), (2, 14453055), (3, 9635370), (5, 5781222), (6, 4817685), (9, 3211790), (10, 2890611), (15, 1927074), (18, 1605895), (30, 963537), (45, 642358), (90, 321179), (509, 56790), (631, 45810), (1018, 28395), (1262, 22905), (1527, 18930), (1893, 15270), (2545, 11358), (3054, 9465), (3155, 9162), (3786, 7635), (4581, 6310), (5090, 5679)]