498978560

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{997}}^1$

素因数の和:1058

約数の個数: 144

約数和(自身を含む): 1321862976

約数和(自身を除く): 822884416

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 32, 34, 40, 46, 64, 68, 80, 85, 92, 115, 128, 136, 160, 170, 184, 230, 256, 272, 320, 340, 368, 391, 460, 544, 640, 680, 736, 782, 920, 997, 1088, 1280, 1360, 1472, 1564, 1840, 1955, 1994, 2176, 2720, 2944, 3128, 3680, 3910, 3988, 4352, 4985, 5440, 5888, 6256, 7360, 7820, 7976, 9970, 10880, 12512, 14720, 15640, 15952, 16949, 19940, 21760, 22931, 25024, 29440, 31280, 31904, 33898, 39880, 45862, 50048, 62560, 63808, 67796, 79760, 84745, 91724, 100096, 114655, 125120, 127616, 135592, 159520, 169490, 183448, 229310, 250240, 255232, 271184, 319040, 338980, 366896, 389827, 458620, 500480, 542368, 638080, 677960, 733792, 779654, 917240, 1084736, 1276160, 1355920, 1467584, 1559308, 1834480, 1949135, 2169472, 2711840, 2935168, 3118616, 3668960, 3898270, 4338944, 5423680, 5870336, 6237232, 7337920, 7796540, 10847360, 12474464, 14675840, 15593080, 21694720, 24948928, 29351680, 31186160, 49897856, 62372320, 99795712, 124744640, 249489280, 498978560]

約数ペア:

[(1, 498978560), (2, 249489280), (4, 124744640), (5, 99795712), (8, 62372320), (10, 49897856), (16, 31186160), (17, 29351680), (20, 24948928), (23, 21694720), (32, 15593080), (34, 14675840), (40, 12474464), (46, 10847360), (64, 7796540), (68, 7337920), (80, 6237232), (85, 5870336), (92, 5423680), (115, 4338944), (128, 3898270), (136, 3668960), (160, 3118616), (170, 2935168), (184, 2711840), (230, 2169472), (256, 1949135), (272, 1834480), (320, 1559308), (340, 1467584), (368, 1355920), (391, 1276160), (460, 1084736), (544, 917240), (640, 779654), (680, 733792), (736, 677960), (782, 638080), (920, 542368), (997, 500480), (1088, 458620), (1280, 389827), (1360, 366896), (1472, 338980), (1564, 319040), (1840, 271184), (1955, 255232), (1994, 250240), (2176, 229310), (2720, 183448), (2944, 169490), (3128, 159520), (3680, 135592), (3910, 127616), (3988, 125120), (4352, 114655), (4985, 100096), (5440, 91724), (5888, 84745), (6256, 79760), (7360, 67796), (7820, 63808), (7976, 62560), (9970, 50048), (10880, 45862), (12512, 39880), (14720, 33898), (15640, 31904), (15952, 31280), (16949, 29440), (19940, 25024), (21760, 22931)]