213893450

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{3691}}^1$

素因数の和:3783

約数の個数: 48

約数和(自身を含む): 425761440

約数和(自身を除く): 211867990

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 61, 95, 122, 190, 305, 475, 610, 950, 1159, 1525, 2318, 3050, 3691, 5795, 7382, 11590, 18455, 28975, 36910, 57950, 70129, 92275, 140258, 184550, 225151, 350645, 450302, 701290, 1125755, 1753225, 2251510, 3506450, 4277869, 5628775, 8555738, 11257550, 21389345, 42778690, 106946725, 213893450]

約数ペア:

[(1, 213893450), (2, 106946725), (5, 42778690), (10, 21389345), (19, 11257550), (25, 8555738), (38, 5628775), (50, 4277869), (61, 3506450), (95, 2251510), (122, 1753225), (190, 1125755), (305, 701290), (475, 450302), (610, 350645), (950, 225151), (1159, 184550), (1525, 140258), (2318, 92275), (3050, 70129), (3691, 57950), (5795, 36910), (7382, 28975), (11590, 18455)]