42938220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{55049}}^1$

素因数の和:55074

約数の個数: 48

約数和(自身を含む): 129477600

約数和(自身を除く): 86539380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 55049, 110098, 165147, 220196, 275245, 330294, 550490, 660588, 715637, 825735, 1100980, 1431274, 1651470, 2146911, 2862548, 3302940, 3578185, 4293822, 7156370, 8587644, 10734555, 14312740, 21469110, 42938220]

約数ペア:

[(1, 42938220), (2, 21469110), (3, 14312740), (4, 10734555), (5, 8587644), (6, 7156370), (10, 4293822), (12, 3578185), (13, 3302940), (15, 2862548), (20, 2146911), (26, 1651470), (30, 1431274), (39, 1100980), (52, 825735), (60, 715637), (65, 660588), (78, 550490), (130, 330294), (156, 275245), (195, 220196), (260, 165147), (390, 110098), (780, 55049)]