1993480

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:134

約数の個数: 64

約数和(自身を含む): 4910400

約数和(自身を除く): 2916920

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 43, 61, 76, 86, 95, 122, 152, 172, 190, 215, 244, 305, 344, 380, 430, 488, 610, 760, 817, 860, 1159, 1220, 1634, 1720, 2318, 2440, 2623, 3268, 4085, 4636, 5246, 5795, 6536, 8170, 9272, 10492, 11590, 13115, 16340, 20984, 23180, 26230, 32680, 46360, 49837, 52460, 99674, 104920, 199348, 249185, 398696, 498370, 996740, 1993480]

約数ペア:

[(1, 1993480), (2, 996740), (4, 498370), (5, 398696), (8, 249185), (10, 199348), (19, 104920), (20, 99674), (38, 52460), (40, 49837), (43, 46360), (61, 32680), (76, 26230), (86, 23180), (95, 20984), (122, 16340), (152, 13115), (172, 11590), (190, 10492), (215, 9272), (244, 8170), (305, 6536), (344, 5795), (380, 5246), (430, 4636), (488, 4085), (610, 3268), (760, 2623), (817, 2440), (860, 2318), (1159, 1720), (1220, 1634)]