213291260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{117193}}^1$

素因数の和:117222

約数の個数: 48

約数和(自身を含む): 551280576

約数和(自身を除く): 337989316

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 117193, 234386, 468772, 585965, 820351, 1171930, 1523509, 1640702, 2343860, 3047018, 3281404, 4101755, 6094036, 7617545, 8203510, 10664563, 15235090, 16407020, 21329126, 30470180, 42658252, 53322815, 106645630, 213291260]

約数ペア:

[(1, 213291260), (2, 106645630), (4, 53322815), (5, 42658252), (7, 30470180), (10, 21329126), (13, 16407020), (14, 15235090), (20, 10664563), (26, 8203510), (28, 7617545), (35, 6094036), (52, 4101755), (65, 3281404), (70, 3047018), (91, 2343860), (130, 1640702), (140, 1523509), (182, 1171930), (260, 820351), (364, 585965), (455, 468772), (910, 234386), (1820, 117193)]