1115380

素因数分解:

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

素因数の和:304

約数の個数: 48

約数和(自身を含む): 2774016

約数和(自身を除く): 1658636

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 257, 310, 434, 514, 620, 868, 1028, 1085, 1285, 1799, 2170, 2570, 3598, 4340, 5140, 7196, 7967, 8995, 15934, 17990, 31868, 35980, 39835, 55769, 79670, 111538, 159340, 223076, 278845, 557690, 1115380]

約数ペア:

[(1, 1115380), (2, 557690), (4, 278845), (5, 223076), (7, 159340), (10, 111538), (14, 79670), (20, 55769), (28, 39835), (31, 35980), (35, 31868), (62, 17990), (70, 15934), (124, 8995), (140, 7967), (155, 7196), (217, 5140), (257, 4340), (310, 3598), (434, 2570), (514, 2170), (620, 1799), (868, 1285), (1028, 1085)]