72543140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{547}}^1$

素因数の和:924

約数の個数: 48

約数和(自身を含む): 161112000

約数和(自身を除く): 88568860

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 349, 380, 547, 698, 1094, 1396, 1745, 2188, 2735, 3490, 5470, 6631, 6980, 10393, 10940, 13262, 20786, 26524, 33155, 41572, 51965, 66310, 103930, 132620, 190903, 207860, 381806, 763612, 954515, 1909030, 3627157, 3818060, 7254314, 14508628, 18135785, 36271570, 72543140]

約数ペア:

[(1, 72543140), (2, 36271570), (4, 18135785), (5, 14508628), (10, 7254314), (19, 3818060), (20, 3627157), (38, 1909030), (76, 954515), (95, 763612), (190, 381806), (349, 207860), (380, 190903), (547, 132620), (698, 103930), (1094, 66310), (1396, 51965), (1745, 41572), (2188, 33155), (2735, 26524), (3490, 20786), (5470, 13262), (6631, 10940), (6980, 10393)]