67920020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{6833}}^1$

素因数の和:6920

約数の個数: 48

約数和(自身を含む): 165328128

約数和(自身を除く): 97408108

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 6833, 9940, 13666, 27332, 34165, 47831, 68330, 95662, 136660, 191324, 239155, 478310, 485143, 956620, 970286, 1940572, 2425715, 3396001, 4851430, 6792002, 9702860, 13584004, 16980005, 33960010, 67920020]

約数ペア:

[(1, 67920020), (2, 33960010), (4, 16980005), (5, 13584004), (7, 9702860), (10, 6792002), (14, 4851430), (20, 3396001), (28, 2425715), (35, 1940572), (70, 970286), (71, 956620), (140, 485143), (142, 478310), (284, 239155), (355, 191324), (497, 136660), (710, 95662), (994, 68330), (1420, 47831), (1988, 34165), (2485, 27332), (4970, 13666), (6833, 9940)]