245950208

素因数分解:

$2^8\times 7^3\times {\mathrm{2801}}^1$

素因数の和:2838

約数の個数: 72

約数和(自身を含む): 572728800

約数和(自身を除く): 326778592

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 343, 392, 448, 686, 784, 896, 1372, 1568, 1792, 2744, 2801, 3136, 5488, 5602, 6272, 10976, 11204, 12544, 19607, 21952, 22408, 39214, 43904, 44816, 78428, 87808, 89632, 137249, 156856, 179264, 274498, 313712, 358528, 548996, 627424, 717056, 960743, 1097992, 1254848, 1921486, 2195984, 2509696, 3842972, 4391968, 5019392, 7685944, 8783936, 15371888, 17567872, 30743776, 35135744, 61487552, 122975104, 245950208]

約数ペア:

[(1, 245950208), (2, 122975104), (4, 61487552), (7, 35135744), (8, 30743776), (14, 17567872), (16, 15371888), (28, 8783936), (32, 7685944), (49, 5019392), (56, 4391968), (64, 3842972), (98, 2509696), (112, 2195984), (128, 1921486), (196, 1254848), (224, 1097992), (256, 960743), (343, 717056), (392, 627424), (448, 548996), (686, 358528), (784, 313712), (896, 274498), (1372, 179264), (1568, 156856), (1792, 137249), (2744, 89632), (2801, 87808), (3136, 78428), (5488, 44816), (5602, 43904), (6272, 39214), (10976, 22408), (11204, 21952), (12544, 19607)]