282056720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{1627}}^1$

素因数の和:1848

約数の個数: 80

約数和(自身を含む): 719471808

約数和(自身を除く): 437415088

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, 1576, 1627, 1970, 2167, 3152, 3254, 3940, 4334, 6508, 7880, 8135, 8668, 10835, 13016, 15760, 16270, 17336, 17897, 21670, 26032, 32540, 34672, 35794, 43340, 65080, 71588, 86680, 89485, 130160, 143176, 173360, 178970, 286352, 320519, 357940, 641038, 715880, 1282076, 1431760, 1602595, 2564152, 3205190, 3525709, 5128304, 6410380, 7051418, 12820760, 14102836, 17628545, 25641520, 28205672, 35257090, 56411344, 70514180, 141028360, 282056720]

約数ペア:

[(1, 282056720), (2, 141028360), (4, 70514180), (5, 56411344), (8, 35257090), (10, 28205672), (11, 25641520), (16, 17628545), (20, 14102836), (22, 12820760), (40, 7051418), (44, 6410380), (55, 5128304), (80, 3525709), (88, 3205190), (110, 2564152), (176, 1602595), (197, 1431760), (220, 1282076), (394, 715880), (440, 641038), (788, 357940), (880, 320519), (985, 286352), (1576, 178970), (1627, 173360), (1970, 143176), (2167, 130160), (3152, 89485), (3254, 86680), (3940, 71588), (4334, 65080), (6508, 43340), (7880, 35794), (8135, 34672), (8668, 32540), (10835, 26032), (13016, 21670), (15760, 17897), (16270, 17336)]