690377984

素因数分解:

$2^8\times {\mathrm{89}}^1\times {\mathrm{157}}^1\times {\mathrm{193}}^1$

素因数の和:455

約数の個数: 72

約数和(自身を含む): 1409685480

約数和(自身を除く): 719307496

約数列:

[1, 2, 4, 8, 16, 32, 64, 89, 128, 157, 178, 193, 256, 314, 356, 386, 628, 712, 772, 1256, 1424, 1544, 2512, 2848, 3088, 5024, 5696, 6176, 10048, 11392, 12352, 13973, 17177, 20096, 22784, 24704, 27946, 30301, 34354, 40192, 49408, 55892, 60602, 68708, 111784, 121204, 137416, 223568, 242408, 274832, 447136, 484816, 549664, 894272, 969632, 1099328, 1788544, 1939264, 2198656, 2696789, 3577088, 3878528, 4397312, 5393578, 7757056, 10787156, 21574312, 43148624, 86297248, 172594496, 345188992, 690377984]

約数ペア:

[(1, 690377984), (2, 345188992), (4, 172594496), (8, 86297248), (16, 43148624), (32, 21574312), (64, 10787156), (89, 7757056), (128, 5393578), (157, 4397312), (178, 3878528), (193, 3577088), (256, 2696789), (314, 2198656), (356, 1939264), (386, 1788544), (628, 1099328), (712, 969632), (772, 894272), (1256, 549664), (1424, 484816), (1544, 447136), (2512, 274832), (2848, 242408), (3088, 223568), (5024, 137416), (5696, 121204), (6176, 111784), (10048, 68708), (11392, 60602), (12352, 55892), (13973, 49408), (17177, 40192), (20096, 34354), (22784, 30301), (24704, 27946)]