4490920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{373}}^1$

素因数の和:434

約数の個数: 64

約数和(自身を含む): 11848320

約数和(自身を除く): 7357400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 140, 172, 215, 280, 301, 344, 373, 430, 602, 746, 860, 1204, 1492, 1505, 1720, 1865, 2408, 2611, 2984, 3010, 3730, 5222, 6020, 7460, 10444, 12040, 13055, 14920, 16039, 20888, 26110, 32078, 52220, 64156, 80195, 104440, 112273, 128312, 160390, 224546, 320780, 449092, 561365, 641560, 898184, 1122730, 2245460, 4490920]

約数ペア:

[(1, 4490920), (2, 2245460), (4, 1122730), (5, 898184), (7, 641560), (8, 561365), (10, 449092), (14, 320780), (20, 224546), (28, 160390), (35, 128312), (40, 112273), (43, 104440), (56, 80195), (70, 64156), (86, 52220), (140, 32078), (172, 26110), (215, 20888), (280, 16039), (301, 14920), (344, 13055), (373, 12040), (430, 10444), (602, 7460), (746, 6020), (860, 5222), (1204, 3730), (1492, 3010), (1505, 2984), (1720, 2611), (1865, 2408)]