725958128

素因数分解:

$2^4\times 7^3\times {\mathrm{179}}^1\times {\mathrm{739}}^1$

素因数の和:947

約数の個数: 80

約数和(自身を含む): 1651680000

約数和(自身を除く): 925721872

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 179, 196, 343, 358, 392, 686, 716, 739, 784, 1253, 1372, 1432, 1478, 2506, 2744, 2864, 2956, 5012, 5173, 5488, 5912, 8771, 10024, 10346, 11824, 17542, 20048, 20692, 35084, 36211, 41384, 61397, 70168, 72422, 82768, 122794, 132281, 140336, 144844, 245588, 253477, 264562, 289688, 491176, 506954, 529124, 579376, 925967, 982352, 1013908, 1058248, 1851934, 2027816, 2116496, 3703868, 4055632, 6481769, 7407736, 12963538, 14815472, 25927076, 45372383, 51854152, 90744766, 103708304, 181489532, 362979064, 725958128]

約数ペア:

[(1, 725958128), (2, 362979064), (4, 181489532), (7, 103708304), (8, 90744766), (14, 51854152), (16, 45372383), (28, 25927076), (49, 14815472), (56, 12963538), (98, 7407736), (112, 6481769), (179, 4055632), (196, 3703868), (343, 2116496), (358, 2027816), (392, 1851934), (686, 1058248), (716, 1013908), (739, 982352), (784, 925967), (1253, 579376), (1372, 529124), (1432, 506954), (1478, 491176), (2506, 289688), (2744, 264562), (2864, 253477), (2956, 245588), (5012, 144844), (5173, 140336), (5488, 132281), (5912, 122794), (8771, 82768), (10024, 72422), (10346, 70168), (11824, 61397), (17542, 41384), (20048, 36211), (20692, 35084)]