348540280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{4021}}^1$

素因数の和:4240

約数の個数: 64

約数和(自身を含む): 860064480

約数和(自身を除く): 511524200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 197, 220, 394, 440, 788, 985, 1576, 1970, 2167, 3940, 4021, 4334, 7880, 8042, 8668, 10835, 16084, 17336, 20105, 21670, 32168, 40210, 43340, 44231, 80420, 86680, 88462, 160840, 176924, 221155, 353848, 442310, 792137, 884620, 1584274, 1769240, 3168548, 3960685, 6337096, 7921370, 8713507, 15842740, 17427014, 31685480, 34854028, 43567535, 69708056, 87135070, 174270140, 348540280]

約数ペア:

[(1, 348540280), (2, 174270140), (4, 87135070), (5, 69708056), (8, 43567535), (10, 34854028), (11, 31685480), (20, 17427014), (22, 15842740), (40, 8713507), (44, 7921370), (55, 6337096), (88, 3960685), (110, 3168548), (197, 1769240), (220, 1584274), (394, 884620), (440, 792137), (788, 442310), (985, 353848), (1576, 221155), (1970, 176924), (2167, 160840), (3940, 88462), (4021, 86680), (4334, 80420), (7880, 44231), (8042, 43340), (8668, 40210), (10835, 32168), (16084, 21670), (17336, 20105)]