318204880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{2693}}^1$

素因数の和:2924

約数の個数: 80

約数和(自身を含む): 849838464

約数和(自身を除く): 531633584

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 211, 280, 422, 560, 844, 1055, 1477, 1688, 2110, 2693, 2954, 3376, 4220, 5386, 5908, 7385, 8440, 10772, 11816, 13465, 14770, 16880, 18851, 21544, 23632, 26930, 29540, 37702, 43088, 53860, 59080, 75404, 94255, 107720, 118160, 150808, 188510, 215440, 301616, 377020, 568223, 754040, 1136446, 1508080, 2272892, 2841115, 3977561, 4545784, 5682230, 7955122, 9091568, 11364460, 15910244, 19887805, 22728920, 31820488, 39775610, 45457840, 63640976, 79551220, 159102440, 318204880]

約数ペア:

[(1, 318204880), (2, 159102440), (4, 79551220), (5, 63640976), (7, 45457840), (8, 39775610), (10, 31820488), (14, 22728920), (16, 19887805), (20, 15910244), (28, 11364460), (35, 9091568), (40, 7955122), (56, 5682230), (70, 4545784), (80, 3977561), (112, 2841115), (140, 2272892), (211, 1508080), (280, 1136446), (422, 754040), (560, 568223), (844, 377020), (1055, 301616), (1477, 215440), (1688, 188510), (2110, 150808), (2693, 118160), (2954, 107720), (3376, 94255), (4220, 75404), (5386, 59080), (5908, 53860), (7385, 43088), (8440, 37702), (10772, 29540), (11816, 26930), (13465, 23632), (14770, 21544), (16880, 18851)]