289757440

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{443}}^1$

素因数の和:544

約数の個数: 144

約数和(自身を含む): 805891968

約数和(自身を除く): 516134528

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 73, 80, 112, 128, 140, 146, 160, 224, 256, 280, 292, 320, 365, 443, 448, 511, 560, 584, 640, 730, 886, 896, 1022, 1120, 1168, 1280, 1460, 1772, 1792, 2044, 2215, 2240, 2336, 2555, 2920, 3101, 3544, 4088, 4430, 4480, 4672, 5110, 5840, 6202, 7088, 8176, 8860, 8960, 9344, 10220, 11680, 12404, 14176, 15505, 16352, 17720, 18688, 20440, 23360, 24808, 28352, 31010, 32339, 32704, 35440, 40880, 46720, 49616, 56704, 62020, 64678, 65408, 70880, 81760, 93440, 99232, 113408, 124040, 129356, 130816, 141760, 161695, 163520, 198464, 226373, 248080, 258712, 283520, 323390, 327040, 396928, 452746, 496160, 517424, 567040, 646780, 654080, 793856, 905492, 992320, 1034848, 1131865, 1293560, 1810984, 1984640, 2069696, 2263730, 2587120, 3621968, 3969280, 4139392, 4527460, 5174240, 7243936, 8278784, 9054920, 10348480, 14487872, 18109840, 20696960, 28975744, 36219680, 41393920, 57951488, 72439360, 144878720, 289757440]

約数ペア:

[(1, 289757440), (2, 144878720), (4, 72439360), (5, 57951488), (7, 41393920), (8, 36219680), (10, 28975744), (14, 20696960), (16, 18109840), (20, 14487872), (28, 10348480), (32, 9054920), (35, 8278784), (40, 7243936), (56, 5174240), (64, 4527460), (70, 4139392), (73, 3969280), (80, 3621968), (112, 2587120), (128, 2263730), (140, 2069696), (146, 1984640), (160, 1810984), (224, 1293560), (256, 1131865), (280, 1034848), (292, 992320), (320, 905492), (365, 793856), (443, 654080), (448, 646780), (511, 567040), (560, 517424), (584, 496160), (640, 452746), (730, 396928), (886, 327040), (896, 323390), (1022, 283520), (1120, 258712), (1168, 248080), (1280, 226373), (1460, 198464), (1772, 163520), (1792, 161695), (2044, 141760), (2215, 130816), (2240, 129356), (2336, 124040), (2555, 113408), (2920, 99232), (3101, 93440), (3544, 81760), (4088, 70880), (4430, 65408), (4480, 64678), (4672, 62020), (5110, 56704), (5840, 49616), (6202, 46720), (7088, 40880), (8176, 35440), (8860, 32704), (8960, 32339), (9344, 31010), (10220, 28352), (11680, 24808), (12404, 23360), (14176, 20440), (15505, 18688), (16352, 17720)]