262259660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53089}}^1$

素因数の和:53130

約数の個数: 48

約数和(自身を含む): 624338400

約数和(自身を除く): 362078740

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 53089, 106178, 212356, 265445, 530890, 690157, 1008691, 1061780, 1380314, 2017382, 2760628, 3450785, 4034764, 5043455, 6901570, 10086910, 13112983, 13803140, 20173820, 26225966, 52451932, 65564915, 131129830, 262259660]

約数ペア:

[(1, 262259660), (2, 131129830), (4, 65564915), (5, 52451932), (10, 26225966), (13, 20173820), (19, 13803140), (20, 13112983), (26, 10086910), (38, 6901570), (52, 5043455), (65, 4034764), (76, 3450785), (95, 2760628), (130, 2017382), (190, 1380314), (247, 1061780), (260, 1008691), (380, 690157), (494, 530890), (988, 265445), (1235, 212356), (2470, 106178), (4940, 53089)]