173798420

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{317}}^1\times {\mathrm{347}}^1$

素因数の和:752

約数の個数: 48

約数和(自身を含む): 371831040

約数和(自身を除く): 198032620

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 317, 347, 395, 634, 694, 790, 1268, 1388, 1580, 1585, 1735, 3170, 3470, 6340, 6940, 25043, 27413, 50086, 54826, 100172, 109652, 109999, 125215, 137065, 219998, 250430, 274130, 439996, 500860, 548260, 549995, 1099990, 2199980, 8689921, 17379842, 34759684, 43449605, 86899210, 173798420]

約数ペア:

[(1, 173798420), (2, 86899210), (4, 43449605), (5, 34759684), (10, 17379842), (20, 8689921), (79, 2199980), (158, 1099990), (316, 549995), (317, 548260), (347, 500860), (395, 439996), (634, 274130), (694, 250430), (790, 219998), (1268, 137065), (1388, 125215), (1580, 109999), (1585, 109652), (1735, 100172), (3170, 54826), (3470, 50086), (6340, 27413), (6940, 25043)]