30984940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{5147}}^1$

素因数の和:5206

約数の個数: 48

約数和(自身を含む): 76108032

約数和(自身を除く): 45123092

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1505, 3010, 5147, 6020, 10294, 20588, 25735, 36029, 51470, 72058, 102940, 144116, 180145, 221321, 360290, 442642, 720580, 885284, 1106605, 1549247, 2213210, 3098494, 4426420, 6196988, 7746235, 15492470, 30984940]

約数ペア:

[(1, 30984940), (2, 15492470), (4, 7746235), (5, 6196988), (7, 4426420), (10, 3098494), (14, 2213210), (20, 1549247), (28, 1106605), (35, 885284), (43, 720580), (70, 442642), (86, 360290), (140, 221321), (172, 180145), (215, 144116), (301, 102940), (430, 72058), (602, 51470), (860, 36029), (1204, 25735), (1505, 20588), (3010, 10294), (5147, 6020)]