67883980

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{257}}^1\times {\mathrm{281}}^1$

素因数の和:594

約数の個数: 48

約数和(自身を含む): 146676096

約数和(自身を除く): 78792116

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 257, 281, 470, 514, 562, 940, 1028, 1124, 1285, 1405, 2570, 2810, 5140, 5620, 12079, 13207, 24158, 26414, 48316, 52828, 60395, 66035, 72217, 120790, 132070, 144434, 241580, 264140, 288868, 361085, 722170, 1444340, 3394199, 6788398, 13576796, 16970995, 33941990, 67883980]

約数ペア:

[(1, 67883980), (2, 33941990), (4, 16970995), (5, 13576796), (10, 6788398), (20, 3394199), (47, 1444340), (94, 722170), (188, 361085), (235, 288868), (257, 264140), (281, 241580), (470, 144434), (514, 132070), (562, 120790), (940, 72217), (1028, 66035), (1124, 60395), (1285, 52828), (1405, 48316), (2570, 26414), (2810, 24158), (5140, 13207), (5620, 12079)]