380995328

素因数分解:

$2^8\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1987}}^1$

素因数の和:2117

約数の個数: 72

約数和(自身を含む): 877709952

約数和(自身を除く): 496714624

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 107, 112, 128, 214, 224, 256, 428, 448, 749, 856, 896, 1498, 1712, 1792, 1987, 2996, 3424, 3974, 5992, 6848, 7948, 11984, 13696, 13909, 15896, 23968, 27392, 27818, 31792, 47936, 55636, 63584, 95872, 111272, 127168, 191744, 212609, 222544, 254336, 425218, 445088, 508672, 850436, 890176, 1488263, 1700872, 1780352, 2976526, 3401744, 3560704, 5953052, 6803488, 11906104, 13606976, 23812208, 27213952, 47624416, 54427904, 95248832, 190497664, 380995328]

約数ペア:

[(1, 380995328), (2, 190497664), (4, 95248832), (7, 54427904), (8, 47624416), (14, 27213952), (16, 23812208), (28, 13606976), (32, 11906104), (56, 6803488), (64, 5953052), (107, 3560704), (112, 3401744), (128, 2976526), (214, 1780352), (224, 1700872), (256, 1488263), (428, 890176), (448, 850436), (749, 508672), (856, 445088), (896, 425218), (1498, 254336), (1712, 222544), (1792, 212609), (1987, 191744), (2996, 127168), (3424, 111272), (3974, 95872), (5992, 63584), (6848, 55636), (7948, 47936), (11984, 31792), (13696, 27818), (13909, 27392), (15896, 23968)]