28406010

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{163}}^1$

素因数の和:367

約数の個数: 64

約数和(自身を含む): 70895232

約数和(自身を除く): 42489222

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 74, 111, 157, 163, 185, 222, 314, 326, 370, 471, 489, 555, 785, 815, 942, 978, 1110, 1570, 1630, 2355, 2445, 4710, 4890, 5809, 6031, 11618, 12062, 17427, 18093, 25591, 29045, 30155, 34854, 36186, 51182, 58090, 60310, 76773, 87135, 90465, 127955, 153546, 174270, 180930, 255910, 383865, 767730, 946867, 1893734, 2840601, 4734335, 5681202, 9468670, 14203005, 28406010]

約数ペア:

[(1, 28406010), (2, 14203005), (3, 9468670), (5, 5681202), (6, 4734335), (10, 2840601), (15, 1893734), (30, 946867), (37, 767730), (74, 383865), (111, 255910), (157, 180930), (163, 174270), (185, 153546), (222, 127955), (314, 90465), (326, 87135), (370, 76773), (471, 60310), (489, 58090), (555, 51182), (785, 36186), (815, 34854), (942, 30155), (978, 29045), (1110, 25591), (1570, 18093), (1630, 17427), (2355, 12062), (2445, 11618), (4710, 6031), (4890, 5809)]