446947840

素因数分解:

$2^9\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2459}}^1$

素因数の和:2553

約数の個数: 80

約数和(自身を含む): 1087162560

約数和(自身を除く): 640214720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 256, 284, 320, 355, 512, 568, 640, 710, 1136, 1280, 1420, 2272, 2459, 2560, 2840, 4544, 4918, 5680, 9088, 9836, 11360, 12295, 18176, 19672, 22720, 24590, 36352, 39344, 45440, 49180, 78688, 90880, 98360, 157376, 174589, 181760, 196720, 314752, 349178, 393440, 629504, 698356, 786880, 872945, 1259008, 1396712, 1573760, 1745890, 2793424, 3147520, 3491780, 5586848, 6295040, 6983560, 11173696, 13967120, 22347392, 27934240, 44694784, 55868480, 89389568, 111736960, 223473920, 446947840]

約数ペア:

[(1, 446947840), (2, 223473920), (4, 111736960), (5, 89389568), (8, 55868480), (10, 44694784), (16, 27934240), (20, 22347392), (32, 13967120), (40, 11173696), (64, 6983560), (71, 6295040), (80, 5586848), (128, 3491780), (142, 3147520), (160, 2793424), (256, 1745890), (284, 1573760), (320, 1396712), (355, 1259008), (512, 872945), (568, 786880), (640, 698356), (710, 629504), (1136, 393440), (1280, 349178), (1420, 314752), (2272, 196720), (2459, 181760), (2560, 174589), (2840, 157376), (4544, 98360), (4918, 90880), (5680, 78688), (9088, 49180), (9836, 45440), (11360, 39344), (12295, 36352), (18176, 24590), (19672, 22720)]