205911510

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{4397}}^1$

素因数の和:4637

約数の個数: 64

約数和(自身を含む): 567447552

約数和(自身を除く): 361536042

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 223, 446, 669, 1115, 1338, 1561, 2230, 3122, 3345, 4397, 4683, 6690, 7805, 8794, 9366, 13191, 15610, 21985, 23415, 26382, 30779, 43970, 46830, 61558, 65955, 92337, 131910, 153895, 184674, 307790, 461685, 923370, 980531, 1961062, 2941593, 4902655, 5883186, 6863717, 9805310, 13727434, 14707965, 20591151, 29415930, 34318585, 41182302, 68637170, 102955755, 205911510]

約数ペア:

[(1, 205911510), (2, 102955755), (3, 68637170), (5, 41182302), (6, 34318585), (7, 29415930), (10, 20591151), (14, 14707965), (15, 13727434), (21, 9805310), (30, 6863717), (35, 5883186), (42, 4902655), (70, 2941593), (105, 1961062), (210, 980531), (223, 923370), (446, 461685), (669, 307790), (1115, 184674), (1338, 153895), (1561, 131910), (2230, 92337), (3122, 65955), (3345, 61558), (4397, 46830), (4683, 43970), (6690, 30779), (7805, 26382), (8794, 23415), (9366, 21985), (13191, 15610)]