246691280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{1423}}^1$

素因数の和:1644

約数の個数: 80

約数和(自身を含む): 629316864

約数和(自身を除く): 382625584

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 197, 220, 394, 440, 788, 880, 985, 1423, 1576, 1970, 2167, 2846, 3152, 3940, 4334, 5692, 7115, 7880, 8668, 10835, 11384, 14230, 15653, 15760, 17336, 21670, 22768, 28460, 31306, 34672, 43340, 56920, 62612, 78265, 86680, 113840, 125224, 156530, 173360, 250448, 280331, 313060, 560662, 626120, 1121324, 1252240, 1401655, 2242648, 2803310, 3083641, 4485296, 5606620, 6167282, 11213240, 12334564, 15418205, 22426480, 24669128, 30836410, 49338256, 61672820, 123345640, 246691280]

約数ペア:

[(1, 246691280), (2, 123345640), (4, 61672820), (5, 49338256), (8, 30836410), (10, 24669128), (11, 22426480), (16, 15418205), (20, 12334564), (22, 11213240), (40, 6167282), (44, 5606620), (55, 4485296), (80, 3083641), (88, 2803310), (110, 2242648), (176, 1401655), (197, 1252240), (220, 1121324), (394, 626120), (440, 560662), (788, 313060), (880, 280331), (985, 250448), (1423, 173360), (1576, 156530), (1970, 125224), (2167, 113840), (2846, 86680), (3152, 78265), (3940, 62612), (4334, 56920), (5692, 43340), (7115, 34672), (7880, 31306), (8668, 28460), (10835, 22768), (11384, 21670), (14230, 17336), (15653, 15760)]