820258432

素因数分解:

$2^7\times 7^4\times {\mathrm{17}}^1\times {\mathrm{157}}^1$

素因数の和:216

約数の個数: 160

約数和(自身を含む): 2031341220

約数和(自身を除く): 1211082788

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 49, 56, 64, 68, 98, 112, 119, 128, 136, 157, 196, 224, 238, 272, 314, 343, 392, 448, 476, 544, 628, 686, 784, 833, 896, 952, 1088, 1099, 1256, 1372, 1568, 1666, 1904, 2176, 2198, 2401, 2512, 2669, 2744, 3136, 3332, 3808, 4396, 4802, 5024, 5338, 5488, 5831, 6272, 6664, 7616, 7693, 8792, 9604, 10048, 10676, 10976, 11662, 13328, 15232, 15386, 17584, 18683, 19208, 20096, 21352, 21952, 23324, 26656, 30772, 35168, 37366, 38416, 40817, 42704, 43904, 46648, 53312, 53851, 61544, 70336, 74732, 76832, 81634, 85408, 93296, 106624, 107702, 123088, 130781, 140672, 149464, 153664, 163268, 170816, 186592, 215404, 246176, 261562, 298928, 307328, 326536, 341632, 373184, 376957, 430808, 492352, 523124, 597856, 653072, 746368, 753914, 861616, 915467, 984704, 1046248, 1195712, 1306144, 1507828, 1723232, 1830934, 2092496, 2391424, 2612288, 3015656, 3446464, 3661868, 4184992, 5224576, 6031312, 6408269, 6892928, 7323736, 8369984, 12062624, 12816538, 14647472, 16739968, 24125248, 25633076, 29294944, 48250496, 51266152, 58589888, 102532304, 117179776, 205064608, 410129216, 820258432]

約数ペア:

[(1, 820258432), (2, 410129216), (4, 205064608), (7, 117179776), (8, 102532304), (14, 58589888), (16, 51266152), (17, 48250496), (28, 29294944), (32, 25633076), (34, 24125248), (49, 16739968), (56, 14647472), (64, 12816538), (68, 12062624), (98, 8369984), (112, 7323736), (119, 6892928), (128, 6408269), (136, 6031312), (157, 5224576), (196, 4184992), (224, 3661868), (238, 3446464), (272, 3015656), (314, 2612288), (343, 2391424), (392, 2092496), (448, 1830934), (476, 1723232), (544, 1507828), (628, 1306144), (686, 1195712), (784, 1046248), (833, 984704), (896, 915467), (952, 861616), (1088, 753914), (1099, 746368), (1256, 653072), (1372, 597856), (1568, 523124), (1666, 492352), (1904, 430808), (2176, 376957), (2198, 373184), (2401, 341632), (2512, 326536), (2669, 307328), (2744, 298928), (3136, 261562), (3332, 246176), (3808, 215404), (4396, 186592), (4802, 170816), (5024, 163268), (5338, 153664), (5488, 149464), (5831, 140672), (6272, 130781), (6664, 123088), (7616, 107702), (7693, 106624), (8792, 93296), (9604, 85408), (10048, 81634), (10676, 76832), (10976, 74732), (11662, 70336), (13328, 61544), (15232, 53851), (15386, 53312), (17584, 46648), (18683, 43904), (19208, 42704), (20096, 40817), (21352, 38416), (21952, 37366), (23324, 35168), (26656, 30772)]