255390464

素因数分解:

$2^8\times 7^1\times {\mathrm{53}}^1\times {\mathrm{2689}}^1$

素因数の和:2765

約数の個数: 72

約数和(自身を含む): 593822880

約数和(自身を除く): 338432416

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 53, 56, 64, 106, 112, 128, 212, 224, 256, 371, 424, 448, 742, 848, 896, 1484, 1696, 1792, 2689, 2968, 3392, 5378, 5936, 6784, 10756, 11872, 13568, 18823, 21512, 23744, 37646, 43024, 47488, 75292, 86048, 94976, 142517, 150584, 172096, 285034, 301168, 344192, 570068, 602336, 688384, 997619, 1140136, 1204672, 1995238, 2280272, 2409344, 3990476, 4560544, 4818688, 7980952, 9121088, 15961904, 18242176, 31923808, 36484352, 63847616, 127695232, 255390464]

約数ペア:

[(1, 255390464), (2, 127695232), (4, 63847616), (7, 36484352), (8, 31923808), (14, 18242176), (16, 15961904), (28, 9121088), (32, 7980952), (53, 4818688), (56, 4560544), (64, 3990476), (106, 2409344), (112, 2280272), (128, 1995238), (212, 1204672), (224, 1140136), (256, 997619), (371, 688384), (424, 602336), (448, 570068), (742, 344192), (848, 301168), (896, 285034), (1484, 172096), (1696, 150584), (1792, 142517), (2689, 94976), (2968, 86048), (3392, 75292), (5378, 47488), (5936, 43024), (6784, 37646), (10756, 23744), (11872, 21512), (13568, 18823)]