47720820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{113621}}^1$

素因数の和:113640

約数の個数: 48

約数和(自身を含む): 152707968

約数和(自身を除く): 104987148

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 113621, 227242, 340863, 454484, 568105, 681726, 795347, 1136210, 1363452, 1590694, 1704315, 2272420, 2386041, 3181388, 3408630, 3976735, 4772082, 6817260, 7953470, 9544164, 11930205, 15906940, 23860410, 47720820]

約数ペア:

[(1, 47720820), (2, 23860410), (3, 15906940), (4, 11930205), (5, 9544164), (6, 7953470), (7, 6817260), (10, 4772082), (12, 3976735), (14, 3408630), (15, 3181388), (20, 2386041), (21, 2272420), (28, 1704315), (30, 1590694), (35, 1363452), (42, 1136210), (60, 795347), (70, 681726), (84, 568105), (105, 454484), (140, 340863), (210, 227242), (420, 113621)]