210456272

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{257}}^1$

素因数の和:436

約数の個数: 80

約数和(自身を含む): 458637312

約数和(自身を除く): 248181040

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 127, 208, 248, 254, 257, 403, 496, 508, 514, 806, 1016, 1028, 1612, 1651, 2032, 2056, 3224, 3302, 3341, 3937, 4112, 6448, 6604, 6682, 7874, 7967, 13208, 13364, 15748, 15934, 26416, 26728, 31496, 31868, 32639, 51181, 53456, 62992, 63736, 65278, 102362, 103571, 127472, 130556, 204724, 207142, 261112, 409448, 414284, 424307, 522224, 818896, 828568, 848614, 1011809, 1657136, 1697228, 2023618, 3394456, 4047236, 6788912, 8094472, 13153517, 16188944, 26307034, 52614068, 105228136, 210456272]

約数ペア:

[(1, 210456272), (2, 105228136), (4, 52614068), (8, 26307034), (13, 16188944), (16, 13153517), (26, 8094472), (31, 6788912), (52, 4047236), (62, 3394456), (104, 2023618), (124, 1697228), (127, 1657136), (208, 1011809), (248, 848614), (254, 828568), (257, 818896), (403, 522224), (496, 424307), (508, 414284), (514, 409448), (806, 261112), (1016, 207142), (1028, 204724), (1612, 130556), (1651, 127472), (2032, 103571), (2056, 102362), (3224, 65278), (3302, 63736), (3341, 62992), (3937, 53456), (4112, 51181), (6448, 32639), (6604, 31868), (6682, 31496), (7874, 26728), (7967, 26416), (13208, 15934), (13364, 15748)]