238504720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{907}}^1$

素因数の和:1112

約数の個数: 80

約数和(自身を含む): 587730240

約数和(自身を除く): 349225520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 173, 190, 304, 346, 380, 692, 760, 865, 907, 1384, 1520, 1730, 1814, 2768, 3287, 3460, 3628, 4535, 6574, 6920, 7256, 9070, 13148, 13840, 14512, 16435, 17233, 18140, 26296, 32870, 34466, 36280, 52592, 65740, 68932, 72560, 86165, 131480, 137864, 156911, 172330, 262960, 275728, 313822, 344660, 627644, 689320, 784555, 1255288, 1378640, 1569110, 2510576, 2981309, 3138220, 5962618, 6276440, 11925236, 12552880, 14906545, 23850472, 29813090, 47700944, 59626180, 119252360, 238504720]

約数ペア:

[(1, 238504720), (2, 119252360), (4, 59626180), (5, 47700944), (8, 29813090), (10, 23850472), (16, 14906545), (19, 12552880), (20, 11925236), (38, 6276440), (40, 5962618), (76, 3138220), (80, 2981309), (95, 2510576), (152, 1569110), (173, 1378640), (190, 1255288), (304, 784555), (346, 689320), (380, 627644), (692, 344660), (760, 313822), (865, 275728), (907, 262960), (1384, 172330), (1520, 156911), (1730, 137864), (1814, 131480), (2768, 86165), (3287, 72560), (3460, 68932), (3628, 65740), (4535, 52592), (6574, 36280), (6920, 34466), (7256, 32870), (9070, 26296), (13148, 18140), (13840, 17233), (14512, 16435)]