489673520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{421}}^1$

素因数の和:539

約数の個数: 160

約数和(自身を含む): 1366388736

約数和(自身を除く): 876715216

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 67, 70, 80, 112, 124, 134, 140, 155, 217, 248, 268, 280, 310, 335, 421, 434, 469, 496, 536, 560, 620, 670, 842, 868, 938, 1072, 1085, 1240, 1340, 1684, 1736, 1876, 2077, 2105, 2170, 2345, 2480, 2680, 2947, 3368, 3472, 3752, 4154, 4210, 4340, 4690, 5360, 5894, 6736, 7504, 8308, 8420, 8680, 9380, 10385, 11788, 13051, 14539, 14735, 16616, 16840, 17360, 18760, 20770, 23576, 26102, 28207, 29078, 29470, 33232, 33680, 37520, 41540, 47152, 52204, 56414, 58156, 58940, 65255, 72695, 83080, 91357, 104408, 112828, 116312, 117880, 130510, 141035, 145390, 166160, 182714, 197449, 208816, 225656, 232624, 235760, 261020, 282070, 290780, 365428, 394898, 451312, 456785, 522040, 564140, 581560, 730856, 789796, 874417, 913570, 987245, 1044080, 1128280, 1163120, 1461712, 1579592, 1748834, 1827140, 1974490, 2256560, 3159184, 3497668, 3654280, 3948980, 4372085, 6120919, 6995336, 7308560, 7897960, 8744170, 12241838, 13990672, 15795920, 17488340, 24483676, 30604595, 34976680, 48967352, 61209190, 69953360, 97934704, 122418380, 244836760, 489673520]

約数ペア:

[(1, 489673520), (2, 244836760), (4, 122418380), (5, 97934704), (7, 69953360), (8, 61209190), (10, 48967352), (14, 34976680), (16, 30604595), (20, 24483676), (28, 17488340), (31, 15795920), (35, 13990672), (40, 12241838), (56, 8744170), (62, 7897960), (67, 7308560), (70, 6995336), (80, 6120919), (112, 4372085), (124, 3948980), (134, 3654280), (140, 3497668), (155, 3159184), (217, 2256560), (248, 1974490), (268, 1827140), (280, 1748834), (310, 1579592), (335, 1461712), (421, 1163120), (434, 1128280), (469, 1044080), (496, 987245), (536, 913570), (560, 874417), (620, 789796), (670, 730856), (842, 581560), (868, 564140), (938, 522040), (1072, 456785), (1085, 451312), (1240, 394898), (1340, 365428), (1684, 290780), (1736, 282070), (1876, 261020), (2077, 235760), (2105, 232624), (2170, 225656), (2345, 208816), (2480, 197449), (2680, 182714), (2947, 166160), (3368, 145390), (3472, 141035), (3752, 130510), (4154, 117880), (4210, 116312), (4340, 112828), (4690, 104408), (5360, 91357), (5894, 83080), (6736, 72695), (7504, 65255), (8308, 58940), (8420, 58156), (8680, 56414), (9380, 52204), (10385, 47152), (11788, 41540), (13051, 37520), (14539, 33680), (14735, 33232), (16616, 29470), (16840, 29078), (17360, 28207), (18760, 26102), (20770, 23576)]