29430920

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{241}}^1$

素因数の和:366

約数の個数: 64

約数和(自身を含む): 68999040

約数和(自身を除く): 39568120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 71, 86, 142, 172, 215, 241, 284, 344, 355, 430, 482, 568, 710, 860, 964, 1205, 1420, 1720, 1928, 2410, 2840, 3053, 4820, 6106, 9640, 10363, 12212, 15265, 17111, 20726, 24424, 30530, 34222, 41452, 51815, 61060, 68444, 82904, 85555, 103630, 122120, 136888, 171110, 207260, 342220, 414520, 684440, 735773, 1471546, 2943092, 3678865, 5886184, 7357730, 14715460, 29430920]

約数ペア:

[(1, 29430920), (2, 14715460), (4, 7357730), (5, 5886184), (8, 3678865), (10, 2943092), (20, 1471546), (40, 735773), (43, 684440), (71, 414520), (86, 342220), (142, 207260), (172, 171110), (215, 136888), (241, 122120), (284, 103630), (344, 85555), (355, 82904), (430, 68444), (482, 61060), (568, 51815), (710, 41452), (860, 34222), (964, 30530), (1205, 24424), (1420, 20726), (1720, 17111), (1928, 15265), (2410, 12212), (2840, 10363), (3053, 9640), (4820, 6106)]