247363520

素因数分解:

$2^6\times 5^1\times {\mathrm{43}}^1\times {\mathrm{17977}}^1$

素因数の和:18037

約数の個数: 56

約数和(自身を含む): 602766384

約数和(自身を除く): 355402864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 160, 172, 215, 320, 344, 430, 688, 860, 1376, 1720, 2752, 3440, 6880, 13760, 17977, 35954, 71908, 89885, 143816, 179770, 287632, 359540, 575264, 719080, 773011, 1150528, 1438160, 1546022, 2876320, 3092044, 3865055, 5752640, 6184088, 7730110, 12368176, 15460220, 24736352, 30920440, 49472704, 61840880, 123681760, 247363520]

約数ペア:

[(1, 247363520), (2, 123681760), (4, 61840880), (5, 49472704), (8, 30920440), (10, 24736352), (16, 15460220), (20, 12368176), (32, 7730110), (40, 6184088), (43, 5752640), (64, 3865055), (80, 3092044), (86, 2876320), (160, 1546022), (172, 1438160), (215, 1150528), (320, 773011), (344, 719080), (430, 575264), (688, 359540), (860, 287632), (1376, 179770), (1720, 143816), (2752, 89885), (3440, 71908), (6880, 35954), (13760, 17977)]