628893440

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{271}}^1$

素因数の和:343

約数の個数: 216

約数和(自身を含む): 1806340032

約数和(自身を除く): 1177446592

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, 185, 196, 224, 245, 256, 259, 271, 280, 296, 320, 370, 392, 448, 490, 518, 542, 560, 592, 640, 740, 784, 896, 980, 1036, 1084, 1120, 1184, 1280, 1295, 1355, 1480, 1568, 1792, 1813, 1897, 1960, 2072, 2168, 2240, 2368, 2590, 2710, 2960, 3136, 3626, 3794, 3920, 4144, 4336, 4480, 4736, 5180, 5420, 5920, 6272, 7252, 7588, 7840, 8288, 8672, 8960, 9065, 9472, 9485, 10027, 10360, 10840, 11840, 12544, 13279, 14504, 15176, 15680, 16576, 17344, 18130, 18970, 20054, 20720, 21680, 23680, 26558, 29008, 30352, 31360, 33152, 34688, 36260, 37940, 40108, 41440, 43360, 47360, 50135, 53116, 58016, 60704, 62720, 66304, 66395, 69376, 70189, 72520, 75880, 80216, 82880, 86720, 100270, 106232, 116032, 121408, 132790, 140378, 145040, 151760, 160432, 165760, 173440, 200540, 212464, 232064, 242816, 265580, 280756, 290080, 303520, 320864, 331520, 346880, 350945, 401080, 424928, 464128, 485632, 491323, 531160, 561512, 580160, 607040, 641728, 701890, 802160, 849856, 982646, 1062320, 1123024, 1160320, 1214080, 1283456, 1403780, 1604320, 1699712, 1965292, 2124640, 2246048, 2320640, 2428160, 2456615, 2566912, 2807560, 3208640, 3399424, 3930584, 4249280, 4492096, 4913230, 5615120, 6417280, 7861168, 8498560, 8984192, 9826460, 11230240, 12834560, 15722336, 16997120, 17968384, 19652920, 22460480, 31444672, 39305840, 44920960, 62889344, 78611680, 89841920, 125778688, 157223360, 314446720, 628893440]

約数ペア:

[(1, 628893440), (2, 314446720), (4, 157223360), (5, 125778688), (7, 89841920), (8, 78611680), (10, 62889344), (14, 44920960), (16, 39305840), (20, 31444672), (28, 22460480), (32, 19652920), (35, 17968384), (37, 16997120), (40, 15722336), (49, 12834560), (56, 11230240), (64, 9826460), (70, 8984192), (74, 8498560), (80, 7861168), (98, 6417280), (112, 5615120), (128, 4913230), (140, 4492096), (148, 4249280), (160, 3930584), (185, 3399424), (196, 3208640), (224, 2807560), (245, 2566912), (256, 2456615), (259, 2428160), (271, 2320640), (280, 2246048), (296, 2124640), (320, 1965292), (370, 1699712), (392, 1604320), (448, 1403780), (490, 1283456), (518, 1214080), (542, 1160320), (560, 1123024), (592, 1062320), (640, 982646), (740, 849856), (784, 802160), (896, 701890), (980, 641728), (1036, 607040), (1084, 580160), (1120, 561512), (1184, 531160), (1280, 491323), (1295, 485632), (1355, 464128), (1480, 424928), (1568, 401080), (1792, 350945), (1813, 346880), (1897, 331520), (1960, 320864), (2072, 303520), (2168, 290080), (2240, 280756), (2368, 265580), (2590, 242816), (2710, 232064), (2960, 212464), (3136, 200540), (3626, 173440), (3794, 165760), (3920, 160432), (4144, 151760), (4336, 145040), (4480, 140378), (4736, 132790), (5180, 121408), (5420, 116032), (5920, 106232), (6272, 100270), (7252, 86720), (7588, 82880), (7840, 80216), (8288, 75880), (8672, 72520), (8960, 70189), (9065, 69376), (9472, 66395), (9485, 66304), (10027, 62720), (10360, 60704), (10840, 58016), (11840, 53116), (12544, 50135), (13279, 47360), (14504, 43360), (15176, 41440), (15680, 40108), (16576, 37940), (17344, 36260), (18130, 34688), (18970, 33152), (20054, 31360), (20720, 30352), (21680, 29008), (23680, 26558)]