1993980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{167}}^1\times {\mathrm{199}}^1$

素因数の和:378

約数の個数: 48

約数和(自身を含む): 5644800

約数和(自身を除く): 3650820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 167, 199, 334, 398, 501, 597, 668, 796, 835, 995, 1002, 1194, 1670, 1990, 2004, 2388, 2505, 2985, 3340, 3980, 5010, 5970, 10020, 11940, 33233, 66466, 99699, 132932, 166165, 199398, 332330, 398796, 498495, 664660, 996990, 1993980]

約数ペア:

[(1, 1993980), (2, 996990), (3, 664660), (4, 498495), (5, 398796), (6, 332330), (10, 199398), (12, 166165), (15, 132932), (20, 99699), (30, 66466), (60, 33233), (167, 11940), (199, 10020), (334, 5970), (398, 5010), (501, 3980), (597, 3340), (668, 2985), (796, 2505), (835, 2388), (995, 2004), (1002, 1990), (1194, 1670)]