315945728

素因数分解:

$2^8\times 7^2\times {\mathrm{89}}^1\times {\mathrm{283}}^1$

素因数の和:402

約数の個数: 108

約数和(自身を含む): 744486120

約数和(自身を除く): 428540392

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 89, 98, 112, 128, 178, 196, 224, 256, 283, 356, 392, 448, 566, 623, 712, 784, 896, 1132, 1246, 1424, 1568, 1792, 1981, 2264, 2492, 2848, 3136, 3962, 4361, 4528, 4984, 5696, 6272, 7924, 8722, 9056, 9968, 11392, 12544, 13867, 15848, 17444, 18112, 19936, 22784, 25187, 27734, 31696, 34888, 36224, 39872, 50374, 55468, 63392, 69776, 72448, 79744, 100748, 110936, 126784, 139552, 159488, 176309, 201496, 221872, 253568, 279104, 352618, 402992, 443744, 507136, 558208, 705236, 805984, 887488, 1116416, 1234163, 1410472, 1611968, 1774976, 2468326, 2820944, 3223936, 3549952, 4936652, 5641888, 6447872, 9873304, 11283776, 19746608, 22567552, 39493216, 45135104, 78986432, 157972864, 315945728]

約数ペア:

[(1, 315945728), (2, 157972864), (4, 78986432), (7, 45135104), (8, 39493216), (14, 22567552), (16, 19746608), (28, 11283776), (32, 9873304), (49, 6447872), (56, 5641888), (64, 4936652), (89, 3549952), (98, 3223936), (112, 2820944), (128, 2468326), (178, 1774976), (196, 1611968), (224, 1410472), (256, 1234163), (283, 1116416), (356, 887488), (392, 805984), (448, 705236), (566, 558208), (623, 507136), (712, 443744), (784, 402992), (896, 352618), (1132, 279104), (1246, 253568), (1424, 221872), (1568, 201496), (1792, 176309), (1981, 159488), (2264, 139552), (2492, 126784), (2848, 110936), (3136, 100748), (3962, 79744), (4361, 72448), (4528, 69776), (4984, 63392), (5696, 55468), (6272, 50374), (7924, 39872), (8722, 36224), (9056, 34888), (9968, 31696), (11392, 27734), (12544, 25187), (13867, 22784), (15848, 19936), (17444, 18112)]