776433280

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2441}}^1$

素因数の和:2538

約数の個数: 128

約数和(自身を含む): 2152085760

約数和(自身を除く): 1375652480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 71, 80, 112, 128, 140, 142, 160, 224, 280, 284, 320, 355, 448, 497, 560, 568, 640, 710, 896, 994, 1120, 1136, 1420, 1988, 2240, 2272, 2441, 2485, 2840, 3976, 4480, 4544, 4882, 4970, 5680, 7952, 9088, 9764, 9940, 11360, 12205, 15904, 17087, 19528, 19880, 22720, 24410, 31808, 34174, 39056, 39760, 45440, 48820, 63616, 68348, 78112, 79520, 85435, 97640, 136696, 156224, 159040, 170870, 173311, 195280, 273392, 312448, 318080, 341740, 346622, 390560, 546784, 683480, 693244, 781120, 866555, 1093568, 1213177, 1366960, 1386488, 1562240, 1733110, 2187136, 2426354, 2733920, 2772976, 3466220, 4852708, 5467840, 5545952, 6065885, 6932440, 9705416, 10935680, 11091904, 12131770, 13864880, 19410832, 22183808, 24263540, 27729760, 38821664, 48527080, 55459520, 77643328, 97054160, 110919040, 155286656, 194108320, 388216640, 776433280]

約数ペア:

[(1, 776433280), (2, 388216640), (4, 194108320), (5, 155286656), (7, 110919040), (8, 97054160), (10, 77643328), (14, 55459520), (16, 48527080), (20, 38821664), (28, 27729760), (32, 24263540), (35, 22183808), (40, 19410832), (56, 13864880), (64, 12131770), (70, 11091904), (71, 10935680), (80, 9705416), (112, 6932440), (128, 6065885), (140, 5545952), (142, 5467840), (160, 4852708), (224, 3466220), (280, 2772976), (284, 2733920), (320, 2426354), (355, 2187136), (448, 1733110), (497, 1562240), (560, 1386488), (568, 1366960), (640, 1213177), (710, 1093568), (896, 866555), (994, 781120), (1120, 693244), (1136, 683480), (1420, 546784), (1988, 390560), (2240, 346622), (2272, 341740), (2441, 318080), (2485, 312448), (2840, 273392), (3976, 195280), (4480, 173311), (4544, 170870), (4882, 159040), (4970, 156224), (5680, 136696), (7952, 97640), (9088, 85435), (9764, 79520), (9940, 78112), (11360, 68348), (12205, 63616), (15904, 48820), (17087, 45440), (19528, 39760), (19880, 39056), (22720, 34174), (24410, 31808)]