16438380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{39139}}^1$

素因数の和:39158

約数の個数: 48

約数和(自身を含む): 52604160

約数和(自身を除く): 36165780

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, 39139, 78278, 117417, 156556, 195695, 234834, 273973, 391390, 469668, 547946, 587085, 782780, 821919, 1095892, 1174170, 1369865, 1643838, 2348340, 2739730, 3287676, 4109595, 5479460, 8219190, 16438380]

約数ペア:

[(1, 16438380), (2, 8219190), (3, 5479460), (4, 4109595), (5, 3287676), (6, 2739730), (7, 2348340), (10, 1643838), (12, 1369865), (14, 1174170), (15, 1095892), (20, 821919), (21, 782780), (28, 587085), (30, 547946), (35, 469668), (42, 391390), (60, 273973), (70, 234834), (84, 195695), (105, 156556), (140, 117417), (210, 78278), (420, 39139)]