520000012

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{179}}^1\times {\mathrm{359}}^1$

素因数の和:583

約数の個数: 72

約数和(自身を含む): 1114041600

約数和(自身を除く): 594041588

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 179, 238, 289, 358, 359, 476, 578, 716, 718, 1156, 1253, 1436, 2023, 2506, 2513, 3043, 4046, 5012, 5026, 6086, 6103, 8092, 10052, 12172, 12206, 21301, 24412, 42602, 42721, 51731, 64261, 85204, 85442, 103462, 103751, 128522, 170884, 206924, 207502, 257044, 362117, 415004, 449827, 724234, 726257, 899654, 1092437, 1448468, 1452514, 1799308, 2184874, 2905028, 4369748, 7647059, 15294118, 18571429, 30588236, 37142858, 74285716, 130000003, 260000006, 520000012]

約数ペア:

[(1, 520000012), (2, 260000006), (4, 130000003), (7, 74285716), (14, 37142858), (17, 30588236), (28, 18571429), (34, 15294118), (68, 7647059), (119, 4369748), (179, 2905028), (238, 2184874), (289, 1799308), (358, 1452514), (359, 1448468), (476, 1092437), (578, 899654), (716, 726257), (718, 724234), (1156, 449827), (1253, 415004), (1436, 362117), (2023, 257044), (2506, 207502), (2513, 206924), (3043, 170884), (4046, 128522), (5012, 103751), (5026, 103462), (6086, 85442), (6103, 85204), (8092, 64261), (10052, 51731), (12172, 42721), (12206, 42602), (21301, 24412)]