38138420

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{727}}^1$

素因数の和:840

約数の個数: 48

約数和(自身を含む): 83411328

約数和(自身を除く): 45272908

約数列:

[1, 2, 4, 5, 10, 20, 43, 61, 86, 122, 172, 215, 244, 305, 430, 610, 727, 860, 1220, 1454, 2623, 2908, 3635, 5246, 7270, 10492, 13115, 14540, 26230, 31261, 44347, 52460, 62522, 88694, 125044, 156305, 177388, 221735, 312610, 443470, 625220, 886940, 1906921, 3813842, 7627684, 9534605, 19069210, 38138420]

約数ペア:

[(1, 38138420), (2, 19069210), (4, 9534605), (5, 7627684), (10, 3813842), (20, 1906921), (43, 886940), (61, 625220), (86, 443470), (122, 312610), (172, 221735), (215, 177388), (244, 156305), (305, 125044), (430, 88694), (610, 62522), (727, 52460), (860, 44347), (1220, 31261), (1454, 26230), (2623, 14540), (2908, 13115), (3635, 10492), (5246, 7270)]