130712260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{21713}}^1$

素因数の和:21772

約数の個数: 48

約数和(自身を含む): 321019776

約数和(自身を除く): 190307516

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, 6020, 21713, 43426, 86852, 108565, 151991, 217130, 303982, 434260, 607964, 759955, 933659, 1519910, 1867318, 3039820, 3734636, 4668295, 6535613, 9336590, 13071226, 18673180, 26142452, 32678065, 65356130, 130712260]

約数ペア:

[(1, 130712260), (2, 65356130), (4, 32678065), (5, 26142452), (7, 18673180), (10, 13071226), (14, 9336590), (20, 6535613), (28, 4668295), (35, 3734636), (43, 3039820), (70, 1867318), (86, 1519910), (140, 933659), (172, 759955), (215, 607964), (301, 434260), (430, 303982), (602, 217130), (860, 151991), (1204, 108565), (1505, 86852), (3010, 43426), (6020, 21713)]