211671980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{5857}}^1$

素因数の和:6018

約数の個数: 48

約数和(自身を含む): 482230560

約数和(自身を除く): 270558580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 139, 260, 278, 556, 695, 1390, 1807, 2780, 3614, 5857, 7228, 9035, 11714, 18070, 23428, 29285, 36140, 58570, 76141, 117140, 152282, 304564, 380705, 761410, 814123, 1522820, 1628246, 3256492, 4070615, 8141230, 10583599, 16282460, 21167198, 42334396, 52917995, 105835990, 211671980]

約数ペア:

[(1, 211671980), (2, 105835990), (4, 52917995), (5, 42334396), (10, 21167198), (13, 16282460), (20, 10583599), (26, 8141230), (52, 4070615), (65, 3256492), (130, 1628246), (139, 1522820), (260, 814123), (278, 761410), (556, 380705), (695, 304564), (1390, 152282), (1807, 117140), (2780, 76141), (3614, 58570), (5857, 36140), (7228, 29285), (9035, 23428), (11714, 18070)]