42784340

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{457}}^1$

素因数の和:648

約数の個数: 48

約数和(自身を含む): 93563904

約数和(自身を除く): 50779564

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 151, 155, 302, 310, 457, 604, 620, 755, 914, 1510, 1828, 2285, 3020, 4570, 4681, 9140, 9362, 14167, 18724, 23405, 28334, 46810, 56668, 69007, 70835, 93620, 138014, 141670, 276028, 283340, 345035, 690070, 1380140, 2139217, 4278434, 8556868, 10696085, 21392170, 42784340]

約数ペア:

[(1, 42784340), (2, 21392170), (4, 10696085), (5, 8556868), (10, 4278434), (20, 2139217), (31, 1380140), (62, 690070), (124, 345035), (151, 283340), (155, 276028), (302, 141670), (310, 138014), (457, 93620), (604, 70835), (620, 69007), (755, 56668), (914, 46810), (1510, 28334), (1828, 23405), (2285, 18724), (3020, 14167), (4570, 9362), (4681, 9140)]