102187180

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{647}}^1$

素因数の和:858

約数の個数: 48

約数和(自身を含む): 220449600

約数和(自身を除く): 118262420

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 149, 212, 265, 298, 530, 596, 647, 745, 1060, 1294, 1490, 2588, 2980, 3235, 6470, 7897, 12940, 15794, 31588, 34291, 39485, 68582, 78970, 96403, 137164, 157940, 171455, 192806, 342910, 385612, 482015, 685820, 964030, 1928060, 5109359, 10218718, 20437436, 25546795, 51093590, 102187180]

約数ペア:

[(1, 102187180), (2, 51093590), (4, 25546795), (5, 20437436), (10, 10218718), (20, 5109359), (53, 1928060), (106, 964030), (149, 685820), (212, 482015), (265, 385612), (298, 342910), (530, 192806), (596, 171455), (647, 157940), (745, 137164), (1060, 96403), (1294, 78970), (1490, 68582), (2588, 39485), (2980, 34291), (3235, 31588), (6470, 15794), (7897, 12940)]