29161820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{367}}^1$

素因数の和:542

約数の個数: 48

約数和(自身を含む): 63987840

約数和(自身を除く): 34826020

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 137, 145, 274, 290, 367, 548, 580, 685, 734, 1370, 1468, 1835, 2740, 3670, 3973, 7340, 7946, 10643, 15892, 19865, 21286, 39730, 42572, 50279, 53215, 79460, 100558, 106430, 201116, 212860, 251395, 502790, 1005580, 1458091, 2916182, 5832364, 7290455, 14580910, 29161820]

約数ペア:

[(1, 29161820), (2, 14580910), (4, 7290455), (5, 5832364), (10, 2916182), (20, 1458091), (29, 1005580), (58, 502790), (116, 251395), (137, 212860), (145, 201116), (274, 106430), (290, 100558), (367, 79460), (548, 53215), (580, 50279), (685, 42572), (734, 39730), (1370, 21286), (1468, 19865), (1835, 15892), (2740, 10643), (3670, 7946), (3973, 7340)]