489397744

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{4721}}^1$

素因数の和:4790

約数の個数: 80

約数和(自身を含む): 1124213760

約数和(自身を除く): 634816016

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 31, 38, 44, 62, 76, 88, 124, 152, 176, 209, 248, 304, 341, 418, 496, 589, 682, 836, 1178, 1364, 1672, 2356, 2728, 3344, 4712, 4721, 5456, 6479, 9424, 9442, 12958, 18884, 25916, 37768, 51832, 51931, 75536, 89699, 103664, 103862, 146351, 179398, 207724, 292702, 358796, 415448, 585404, 717592, 830896, 986689, 1170808, 1435184, 1609861, 1973378, 2341616, 2780669, 3219722, 3946756, 5561338, 6439444, 7893512, 11122676, 12878888, 15787024, 22245352, 25757776, 30587359, 44490704, 61174718, 122349436, 244698872, 489397744]

約数ペア:

[(1, 489397744), (2, 244698872), (4, 122349436), (8, 61174718), (11, 44490704), (16, 30587359), (19, 25757776), (22, 22245352), (31, 15787024), (38, 12878888), (44, 11122676), (62, 7893512), (76, 6439444), (88, 5561338), (124, 3946756), (152, 3219722), (176, 2780669), (209, 2341616), (248, 1973378), (304, 1609861), (341, 1435184), (418, 1170808), (496, 986689), (589, 830896), (682, 717592), (836, 585404), (1178, 415448), (1364, 358796), (1672, 292702), (2356, 207724), (2728, 179398), (3344, 146351), (4712, 103862), (4721, 103664), (5456, 89699), (6479, 75536), (9424, 51931), (9442, 51832), (12958, 37768), (18884, 25916)]