420035840

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{181}}^1$

素因数の和:253

約数の個数: 216

約数和(自身を含む): 1208653992

約数和(自身を除く): 788618152

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 37, 40, 49, 56, 64, 70, 74, 80, 98, 112, 128, 140, 148, 160, 181, 185, 196, 224, 245, 256, 259, 280, 296, 320, 362, 370, 392, 448, 490, 518, 560, 592, 640, 724, 740, 784, 896, 905, 980, 1036, 1120, 1184, 1267, 1280, 1295, 1448, 1480, 1568, 1792, 1810, 1813, 1960, 2072, 2240, 2368, 2534, 2590, 2896, 2960, 3136, 3620, 3626, 3920, 4144, 4480, 4736, 5068, 5180, 5792, 5920, 6272, 6335, 6697, 7240, 7252, 7840, 8288, 8869, 8960, 9065, 9472, 10136, 10360, 11584, 11840, 12544, 12670, 13394, 14480, 14504, 15680, 16576, 17738, 18130, 20272, 20720, 23168, 23680, 25340, 26788, 28960, 29008, 31360, 33152, 33485, 35476, 36260, 40544, 41440, 44345, 46336, 46879, 47360, 50680, 53576, 57920, 58016, 62720, 66304, 66970, 70952, 72520, 81088, 82880, 88690, 93758, 101360, 107152, 115840, 116032, 133940, 141904, 145040, 162176, 165760, 177380, 187516, 202720, 214304, 231680, 232064, 234395, 267880, 283808, 290080, 324352, 328153, 331520, 354760, 375032, 405440, 428608, 464128, 468790, 535760, 567616, 580160, 656306, 709520, 750064, 810880, 857216, 937580, 1071520, 1135232, 1160320, 1312612, 1419040, 1500128, 1621760, 1640765, 1714432, 1875160, 2143040, 2270464, 2320640, 2625224, 2838080, 3000256, 3281530, 3750320, 4286080, 5250448, 5676160, 6000512, 6563060, 7500640, 8572160, 10500896, 11352320, 12001024, 13126120, 15001280, 21001792, 26252240, 30002560, 42003584, 52504480, 60005120, 84007168, 105008960, 210017920, 420035840]

約数ペア:

[(1, 420035840), (2, 210017920), (4, 105008960), (5, 84007168), (7, 60005120), (8, 52504480), (10, 42003584), (14, 30002560), (16, 26252240), (20, 21001792), (28, 15001280), (32, 13126120), (35, 12001024), (37, 11352320), (40, 10500896), (49, 8572160), (56, 7500640), (64, 6563060), (70, 6000512), (74, 5676160), (80, 5250448), (98, 4286080), (112, 3750320), (128, 3281530), (140, 3000256), (148, 2838080), (160, 2625224), (181, 2320640), (185, 2270464), (196, 2143040), (224, 1875160), (245, 1714432), (256, 1640765), (259, 1621760), (280, 1500128), (296, 1419040), (320, 1312612), (362, 1160320), (370, 1135232), (392, 1071520), (448, 937580), (490, 857216), (518, 810880), (560, 750064), (592, 709520), (640, 656306), (724, 580160), (740, 567616), (784, 535760), (896, 468790), (905, 464128), (980, 428608), (1036, 405440), (1120, 375032), (1184, 354760), (1267, 331520), (1280, 328153), (1295, 324352), (1448, 290080), (1480, 283808), (1568, 267880), (1792, 234395), (1810, 232064), (1813, 231680), (1960, 214304), (2072, 202720), (2240, 187516), (2368, 177380), (2534, 165760), (2590, 162176), (2896, 145040), (2960, 141904), (3136, 133940), (3620, 116032), (3626, 115840), (3920, 107152), (4144, 101360), (4480, 93758), (4736, 88690), (5068, 82880), (5180, 81088), (5792, 72520), (5920, 70952), (6272, 66970), (6335, 66304), (6697, 62720), (7240, 58016), (7252, 57920), (7840, 53576), (8288, 50680), (8869, 47360), (8960, 46879), (9065, 46336), (9472, 44345), (10136, 41440), (10360, 40544), (11584, 36260), (11840, 35476), (12544, 33485), (12670, 33152), (13394, 31360), (14480, 29008), (14504, 28960), (15680, 26788), (16576, 25340), (17738, 23680), (18130, 23168), (20272, 20720)]