140994140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43787}}^1$

素因数の和:43826

約数の個数: 48

約数和(自身を含む): 353106432

約数和(自身を除く): 212112292

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 43787, 87574, 175148, 218935, 306509, 437870, 613018, 875740, 1007101, 1226036, 1532545, 2014202, 3065090, 4028404, 5035505, 6130180, 7049707, 10071010, 14099414, 20142020, 28198828, 35248535, 70497070, 140994140]

約数ペア:

[(1, 140994140), (2, 70497070), (4, 35248535), (5, 28198828), (7, 20142020), (10, 14099414), (14, 10071010), (20, 7049707), (23, 6130180), (28, 5035505), (35, 4028404), (46, 3065090), (70, 2014202), (92, 1532545), (115, 1226036), (140, 1007101), (161, 875740), (230, 613018), (322, 437870), (460, 306509), (644, 218935), (805, 175148), (1610, 87574), (3220, 43787)]