420360416

素因数分解:

$2^5\times 7^2\times {\mathrm{227}}^1\times {\mathrm{1181}}^1$

素因数の和:1432

約数の個数: 72

約数和(自身を含む): 967760136

約数和(自身を除く): 547399720

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 227, 392, 454, 784, 908, 1181, 1568, 1589, 1816, 2362, 3178, 3632, 4724, 6356, 7264, 8267, 9448, 11123, 12712, 16534, 18896, 22246, 25424, 33068, 37792, 44492, 50848, 57869, 66136, 88984, 115738, 132272, 177968, 231476, 264544, 268087, 355936, 462952, 536174, 925904, 1072348, 1851808, 1876609, 2144696, 3753218, 4289392, 7506436, 8578784, 13136263, 15012872, 26272526, 30025744, 52545052, 60051488, 105090104, 210180208, 420360416]

約数ペア:

[(1, 420360416), (2, 210180208), (4, 105090104), (7, 60051488), (8, 52545052), (14, 30025744), (16, 26272526), (28, 15012872), (32, 13136263), (49, 8578784), (56, 7506436), (98, 4289392), (112, 3753218), (196, 2144696), (224, 1876609), (227, 1851808), (392, 1072348), (454, 925904), (784, 536174), (908, 462952), (1181, 355936), (1568, 268087), (1589, 264544), (1816, 231476), (2362, 177968), (3178, 132272), (3632, 115738), (4724, 88984), (6356, 66136), (7264, 57869), (8267, 50848), (9448, 44492), (11123, 37792), (12712, 33068), (16534, 25424), (18896, 22246)]