200641280

素因数分解:

$2^8\times 5^1\times 7^3\times {\mathrm{457}}^1$

素因数の和:499

約数の個数: 144

約数和(自身を含む): 561691200

約数和(自身を除く): 361049920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 343, 392, 448, 457, 490, 560, 640, 686, 784, 896, 914, 980, 1120, 1280, 1372, 1568, 1715, 1792, 1828, 1960, 2240, 2285, 2744, 3136, 3199, 3430, 3656, 3920, 4480, 4570, 5488, 6272, 6398, 6860, 7312, 7840, 8960, 9140, 10976, 12544, 12796, 13720, 14624, 15680, 15995, 18280, 21952, 22393, 25592, 27440, 29248, 31360, 31990, 36560, 43904, 44786, 51184, 54880, 58496, 62720, 63980, 73120, 87808, 89572, 102368, 109760, 111965, 116992, 127960, 146240, 156751, 179144, 204736, 219520, 223930, 255920, 292480, 313502, 358288, 409472, 439040, 447860, 511840, 584960, 627004, 716576, 783755, 818944, 895720, 1023680, 1254008, 1433152, 1567510, 1791440, 2047360, 2508016, 2866304, 3135020, 3582880, 4094720, 5016032, 5732608, 6270040, 7165760, 10032064, 12540080, 14331520, 20064128, 25080160, 28663040, 40128256, 50160320, 100320640, 200641280]

約数ペア:

[(1, 200641280), (2, 100320640), (4, 50160320), (5, 40128256), (7, 28663040), (8, 25080160), (10, 20064128), (14, 14331520), (16, 12540080), (20, 10032064), (28, 7165760), (32, 6270040), (35, 5732608), (40, 5016032), (49, 4094720), (56, 3582880), (64, 3135020), (70, 2866304), (80, 2508016), (98, 2047360), (112, 1791440), (128, 1567510), (140, 1433152), (160, 1254008), (196, 1023680), (224, 895720), (245, 818944), (256, 783755), (280, 716576), (320, 627004), (343, 584960), (392, 511840), (448, 447860), (457, 439040), (490, 409472), (560, 358288), (640, 313502), (686, 292480), (784, 255920), (896, 223930), (914, 219520), (980, 204736), (1120, 179144), (1280, 156751), (1372, 146240), (1568, 127960), (1715, 116992), (1792, 111965), (1828, 109760), (1960, 102368), (2240, 89572), (2285, 87808), (2744, 73120), (3136, 63980), (3199, 62720), (3430, 58496), (3656, 54880), (3920, 51184), (4480, 44786), (4570, 43904), (5488, 36560), (6272, 31990), (6398, 31360), (6860, 29248), (7312, 27440), (7840, 25592), (8960, 22393), (9140, 21952), (10976, 18280), (12544, 15995), (12796, 15680), (13720, 14624)]