890995840

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{11699}}^1$

素因数の和:11742

約数の個数: 128

約数和(自身を含む): 2577744000

約数和(自身を除く): 1686748160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 64, 68, 70, 80, 85, 112, 119, 128, 136, 140, 160, 170, 224, 238, 272, 280, 320, 340, 448, 476, 544, 560, 595, 640, 680, 896, 952, 1088, 1120, 1190, 1360, 1904, 2176, 2240, 2380, 2720, 3808, 4480, 4760, 5440, 7616, 9520, 10880, 11699, 15232, 19040, 23398, 38080, 46796, 58495, 76160, 81893, 93592, 116990, 163786, 187184, 198883, 233980, 327572, 374368, 397766, 409465, 467960, 655144, 748736, 795532, 818930, 935920, 994415, 1310288, 1392181, 1497472, 1591064, 1637860, 1871840, 1988830, 2620576, 2784362, 3182128, 3275720, 3743680, 3977660, 5241152, 5568724, 6364256, 6551440, 6960905, 7487360, 7955320, 10482304, 11137448, 12728512, 13102880, 13921810, 15910640, 22274896, 25457024, 26205760, 27843620, 31821280, 44549792, 52411520, 55687240, 63642560, 89099584, 111374480, 127285120, 178199168, 222748960, 445497920, 890995840]

約数ペア:

[(1, 890995840), (2, 445497920), (4, 222748960), (5, 178199168), (7, 127285120), (8, 111374480), (10, 89099584), (14, 63642560), (16, 55687240), (17, 52411520), (20, 44549792), (28, 31821280), (32, 27843620), (34, 26205760), (35, 25457024), (40, 22274896), (56, 15910640), (64, 13921810), (68, 13102880), (70, 12728512), (80, 11137448), (85, 10482304), (112, 7955320), (119, 7487360), (128, 6960905), (136, 6551440), (140, 6364256), (160, 5568724), (170, 5241152), (224, 3977660), (238, 3743680), (272, 3275720), (280, 3182128), (320, 2784362), (340, 2620576), (448, 1988830), (476, 1871840), (544, 1637860), (560, 1591064), (595, 1497472), (640, 1392181), (680, 1310288), (896, 994415), (952, 935920), (1088, 818930), (1120, 795532), (1190, 748736), (1360, 655144), (1904, 467960), (2176, 409465), (2240, 397766), (2380, 374368), (2720, 327572), (3808, 233980), (4480, 198883), (4760, 187184), (5440, 163786), (7616, 116990), (9520, 93592), (10880, 81893), (11699, 76160), (15232, 58495), (19040, 46796), (23398, 38080)]