391164740

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{569}}^1\times {\mathrm{929}}^1$

素因数の和:1544

約数の個数: 48

約数和(自身を含む): 846039600

約数和(自身を除く): 454874860

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 569, 740, 929, 1138, 1858, 2276, 2845, 3716, 4645, 5690, 9290, 11380, 18580, 21053, 34373, 42106, 68746, 84212, 105265, 137492, 171865, 210530, 343730, 421060, 528601, 687460, 1057202, 2114404, 2643005, 5286010, 10572020, 19558237, 39116474, 78232948, 97791185, 195582370, 391164740]

約数ペア:

[(1, 391164740), (2, 195582370), (4, 97791185), (5, 78232948), (10, 39116474), (20, 19558237), (37, 10572020), (74, 5286010), (148, 2643005), (185, 2114404), (370, 1057202), (569, 687460), (740, 528601), (929, 421060), (1138, 343730), (1858, 210530), (2276, 171865), (2845, 137492), (3716, 105265), (4645, 84212), (5690, 68746), (9290, 42106), (11380, 34373), (18580, 21053)]