214451320

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{3041}}^1$

素因数の和:3136

約数の個数: 64

約数和(自身を含む): 505945440

約数和(自身を除く): 291494120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 43, 82, 86, 164, 172, 205, 215, 328, 344, 410, 430, 820, 860, 1640, 1720, 1763, 3041, 3526, 6082, 7052, 8815, 12164, 14104, 15205, 17630, 24328, 30410, 35260, 60820, 70520, 121640, 124681, 130763, 249362, 261526, 498724, 523052, 623405, 653815, 997448, 1046104, 1246810, 1307630, 2493620, 2615260, 4987240, 5230520, 5361283, 10722566, 21445132, 26806415, 42890264, 53612830, 107225660, 214451320]

約数ペア:

[(1, 214451320), (2, 107225660), (4, 53612830), (5, 42890264), (8, 26806415), (10, 21445132), (20, 10722566), (40, 5361283), (41, 5230520), (43, 4987240), (82, 2615260), (86, 2493620), (164, 1307630), (172, 1246810), (205, 1046104), (215, 997448), (328, 653815), (344, 623405), (410, 523052), (430, 498724), (820, 261526), (860, 249362), (1640, 130763), (1720, 124681), (1763, 121640), (3041, 70520), (3526, 60820), (6082, 35260), (7052, 30410), (8815, 24328), (12164, 17630), (14104, 15205)]