4144340

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:192

約数の個数: 48

約数和(自身を含む): 9166080

約数和(自身を除く): 5021740

約数列:

[1, 2, 4, 5, 10, 20, 43, 61, 79, 86, 122, 158, 172, 215, 244, 305, 316, 395, 430, 610, 790, 860, 1220, 1580, 2623, 3397, 4819, 5246, 6794, 9638, 10492, 13115, 13588, 16985, 19276, 24095, 26230, 33970, 48190, 52460, 67940, 96380, 207217, 414434, 828868, 1036085, 2072170, 4144340]

約数ペア:

[(1, 4144340), (2, 2072170), (4, 1036085), (5, 828868), (10, 414434), (20, 207217), (43, 96380), (61, 67940), (79, 52460), (86, 48190), (122, 33970), (158, 26230), (172, 24095), (215, 19276), (244, 16985), (305, 13588), (316, 13115), (395, 10492), (430, 9638), (610, 6794), (790, 5246), (860, 4819), (1220, 3397), (1580, 2623)]