7895800

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1$

素因数の和:161

約数の個数: 96

約数和(自身を含む): 20779920

約数和(自身を除く): 12884120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 37, 40, 44, 50, 55, 74, 88, 97, 100, 110, 148, 185, 194, 200, 220, 275, 296, 370, 388, 407, 440, 485, 550, 740, 776, 814, 925, 970, 1067, 1100, 1480, 1628, 1850, 1940, 2035, 2134, 2200, 2425, 3256, 3589, 3700, 3880, 4070, 4268, 4850, 5335, 7178, 7400, 8140, 8536, 9700, 10175, 10670, 14356, 16280, 17945, 19400, 20350, 21340, 26675, 28712, 35890, 39479, 40700, 42680, 53350, 71780, 78958, 81400, 89725, 106700, 143560, 157916, 179450, 197395, 213400, 315832, 358900, 394790, 717800, 789580, 986975, 1579160, 1973950, 3947900, 7895800]

約数ペア:

[(1, 7895800), (2, 3947900), (4, 1973950), (5, 1579160), (8, 986975), (10, 789580), (11, 717800), (20, 394790), (22, 358900), (25, 315832), (37, 213400), (40, 197395), (44, 179450), (50, 157916), (55, 143560), (74, 106700), (88, 89725), (97, 81400), (100, 78958), (110, 71780), (148, 53350), (185, 42680), (194, 40700), (200, 39479), (220, 35890), (275, 28712), (296, 26675), (370, 21340), (388, 20350), (407, 19400), (440, 17945), (485, 16280), (550, 14356), (740, 10670), (776, 10175), (814, 9700), (925, 8536), (970, 8140), (1067, 7400), (1100, 7178), (1480, 5335), (1628, 4850), (1850, 4268), (1940, 4070), (2035, 3880), (2134, 3700), (2200, 3589), (2425, 3256)]