159799420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{23431}}^1$

素因数の和:23482

約数の個数: 48

約数和(自身を含む): 377911296

約数和(自身を除く): 218111876

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 3410, 6820, 23431, 46862, 93724, 117155, 234310, 257741, 468620, 515482, 726361, 1030964, 1288705, 1452722, 2577410, 2905444, 3631805, 5154820, 7263610, 7989971, 14527220, 15979942, 31959884, 39949855, 79899710, 159799420]

約数ペア:

[(1, 159799420), (2, 79899710), (4, 39949855), (5, 31959884), (10, 15979942), (11, 14527220), (20, 7989971), (22, 7263610), (31, 5154820), (44, 3631805), (55, 2905444), (62, 2577410), (110, 1452722), (124, 1288705), (155, 1030964), (220, 726361), (310, 515482), (341, 468620), (620, 257741), (682, 234310), (1364, 117155), (1705, 93724), (3410, 46862), (6820, 23431)]