129477860

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{179}}^1\times {\mathrm{613}}^1$

素因数の和:860

約数の個数: 48

約数和(自身を含む): 278510400

約数和(自身を除く): 149032540

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 179, 236, 295, 358, 590, 613, 716, 895, 1180, 1226, 1790, 2452, 3065, 3580, 6130, 10561, 12260, 21122, 36167, 42244, 52805, 72334, 105610, 109727, 144668, 180835, 211220, 219454, 361670, 438908, 548635, 723340, 1097270, 2194540, 6473893, 12947786, 25895572, 32369465, 64738930, 129477860]

約数ペア:

[(1, 129477860), (2, 64738930), (4, 32369465), (5, 25895572), (10, 12947786), (20, 6473893), (59, 2194540), (118, 1097270), (179, 723340), (236, 548635), (295, 438908), (358, 361670), (590, 219454), (613, 211220), (716, 180835), (895, 144668), (1180, 109727), (1226, 105610), (1790, 72334), (2452, 52805), (3065, 42244), (3580, 36167), (6130, 21122), (10561, 12260)]