30209810

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1$

素因数の和:303

約数の個数: 64

約数和(自身を含む): 61931520

約数和(自身を除く): 31721710

約数列:

[1, 2, 5, 10, 19, 23, 31, 38, 46, 62, 95, 115, 155, 190, 223, 230, 310, 437, 446, 589, 713, 874, 1115, 1178, 1426, 2185, 2230, 2945, 3565, 4237, 4370, 5129, 5890, 6913, 7130, 8474, 10258, 13547, 13826, 21185, 25645, 27094, 34565, 42370, 51290, 67735, 69130, 97451, 131347, 135470, 158999, 194902, 262694, 317998, 487255, 656735, 794995, 974510, 1313470, 1589990, 3020981, 6041962, 15104905, 30209810]

約数ペア:

[(1, 30209810), (2, 15104905), (5, 6041962), (10, 3020981), (19, 1589990), (23, 1313470), (31, 974510), (38, 794995), (46, 656735), (62, 487255), (95, 317998), (115, 262694), (155, 194902), (190, 158999), (223, 135470), (230, 131347), (310, 97451), (437, 69130), (446, 67735), (589, 51290), (713, 42370), (874, 34565), (1115, 27094), (1178, 25645), (1426, 21185), (2185, 13826), (2230, 13547), (2945, 10258), (3565, 8474), (4237, 7130), (4370, 6913), (5129, 5890)]