520408070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{571877}}^1$

素因数の和:571904

約数の個数: 32

約数和(自身を含む): 1152906048

約数和(自身を除く): 632497978

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 571877, 1143754, 2859385, 4003139, 5718770, 7434401, 8006278, 14868802, 20015695, 37172005, 40031390, 52040807, 74344010, 104081614, 260204035, 520408070]

約数ペア:

[(1, 520408070), (2, 260204035), (5, 104081614), (7, 74344010), (10, 52040807), (13, 40031390), (14, 37172005), (26, 20015695), (35, 14868802), (65, 8006278), (70, 7434401), (91, 5718770), (130, 4003139), (182, 2859385), (455, 1143754), (910, 571877)]