2230760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:306

約数の個数: 64

約数和(自身を含む): 5944320

約数和(自身を除く): 3713560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 257, 280, 310, 434, 514, 620, 868, 1028, 1085, 1240, 1285, 1736, 1799, 2056, 2170, 2570, 3598, 4340, 5140, 7196, 7967, 8680, 8995, 10280, 14392, 15934, 17990, 31868, 35980, 39835, 55769, 63736, 71960, 79670, 111538, 159340, 223076, 278845, 318680, 446152, 557690, 1115380, 2230760]

約数ペア:

[(1, 2230760), (2, 1115380), (4, 557690), (5, 446152), (7, 318680), (8, 278845), (10, 223076), (14, 159340), (20, 111538), (28, 79670), (31, 71960), (35, 63736), (40, 55769), (56, 39835), (62, 35980), (70, 31868), (124, 17990), (140, 15934), (155, 14392), (217, 10280), (248, 8995), (257, 8680), (280, 7967), (310, 7196), (434, 5140), (514, 4340), (620, 3598), (868, 2570), (1028, 2170), (1085, 2056), (1240, 1799), (1285, 1736)]