1861393760

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{375281}}^1$

素因数の和:375327

約数の個数: 48

約数和(自身を含む): 4539411072

約数和(自身を除く): 2678017312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 375281, 750562, 1501124, 1876405, 3002248, 3752810, 6004496, 7505620, 11633711, 12008992, 15011240, 23267422, 30022480, 46534844, 58168555, 60044960, 93069688, 116337110, 186139376, 232674220, 372278752, 465348440, 930696880, 1861393760]

約数ペア:

[(1, 1861393760), (2, 930696880), (4, 465348440), (5, 372278752), (8, 232674220), (10, 186139376), (16, 116337110), (20, 93069688), (31, 60044960), (32, 58168555), (40, 46534844), (62, 30022480), (80, 23267422), (124, 15011240), (155, 12008992), (160, 11633711), (248, 7505620), (310, 6004496), (496, 3752810), (620, 3002248), (992, 1876405), (1240, 1501124), (2480, 750562), (4960, 375281)]