421738240

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{389}}^1$

素因数の和:439

約数の個数: 216

約数和(自身を含む): 1272267360

約数和(自身を除く): 850529120

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 121, 128, 140, 154, 160, 176, 220, 224, 242, 256, 280, 308, 320, 352, 385, 389, 440, 448, 484, 560, 605, 616, 640, 704, 770, 778, 847, 880, 896, 968, 1120, 1210, 1232, 1280, 1408, 1540, 1556, 1694, 1760, 1792, 1936, 1945, 2240, 2420, 2464, 2723, 2816, 3080, 3112, 3388, 3520, 3872, 3890, 4235, 4279, 4480, 4840, 4928, 5446, 6160, 6224, 6776, 7040, 7744, 7780, 8470, 8558, 8960, 9680, 9856, 10892, 12320, 12448, 13552, 13615, 14080, 15488, 15560, 16940, 17116, 19360, 19712, 21395, 21784, 24640, 24896, 27104, 27230, 29953, 30976, 31120, 33880, 34232, 38720, 42790, 43568, 47069, 49280, 49792, 54208, 54460, 59906, 62240, 67760, 68464, 77440, 85580, 87136, 94138, 98560, 99584, 108416, 108920, 119812, 124480, 135520, 136928, 149765, 154880, 171160, 174272, 188276, 216832, 217840, 235345, 239624, 248960, 271040, 273856, 299530, 329483, 342320, 348544, 376552, 435680, 470690, 479248, 497920, 542080, 547712, 599060, 658966, 684640, 697088, 753104, 871360, 941380, 958496, 1084160, 1095424, 1198120, 1317932, 1369280, 1506208, 1647415, 1742720, 1882760, 1916992, 2396240, 2635864, 2738560, 3012416, 3294830, 3485440, 3765520, 3833984, 4792480, 5271728, 5477120, 6024832, 6589660, 7531040, 7667968, 9584960, 10543456, 12049664, 13179320, 15062080, 19169920, 21086912, 26358640, 30124160, 38339840, 42173824, 52717280, 60248320, 84347648, 105434560, 210869120, 421738240]

約数ペア:

[(1, 421738240), (2, 210869120), (4, 105434560), (5, 84347648), (7, 60248320), (8, 52717280), (10, 42173824), (11, 38339840), (14, 30124160), (16, 26358640), (20, 21086912), (22, 19169920), (28, 15062080), (32, 13179320), (35, 12049664), (40, 10543456), (44, 9584960), (55, 7667968), (56, 7531040), (64, 6589660), (70, 6024832), (77, 5477120), (80, 5271728), (88, 4792480), (110, 3833984), (112, 3765520), (121, 3485440), (128, 3294830), (140, 3012416), (154, 2738560), (160, 2635864), (176, 2396240), (220, 1916992), (224, 1882760), (242, 1742720), (256, 1647415), (280, 1506208), (308, 1369280), (320, 1317932), (352, 1198120), (385, 1095424), (389, 1084160), (440, 958496), (448, 941380), (484, 871360), (560, 753104), (605, 697088), (616, 684640), (640, 658966), (704, 599060), (770, 547712), (778, 542080), (847, 497920), (880, 479248), (896, 470690), (968, 435680), (1120, 376552), (1210, 348544), (1232, 342320), (1280, 329483), (1408, 299530), (1540, 273856), (1556, 271040), (1694, 248960), (1760, 239624), (1792, 235345), (1936, 217840), (1945, 216832), (2240, 188276), (2420, 174272), (2464, 171160), (2723, 154880), (2816, 149765), (3080, 136928), (3112, 135520), (3388, 124480), (3520, 119812), (3872, 108920), (3890, 108416), (4235, 99584), (4279, 98560), (4480, 94138), (4840, 87136), (4928, 85580), (5446, 77440), (6160, 68464), (6224, 67760), (6776, 62240), (7040, 59906), (7744, 54460), (7780, 54208), (8470, 49792), (8558, 49280), (8960, 47069), (9680, 43568), (9856, 42790), (10892, 38720), (12320, 34232), (12448, 33880), (13552, 31120), (13615, 30976), (14080, 29953), (15488, 27230), (15560, 27104), (16940, 24896), (17116, 24640), (19360, 21784), (19712, 21395)]