4986940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{199}}^1$

素因数の和:394

約数の個数: 48

約数和(自身を含む): 12096000

約数和(自身を除く): 7109060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 179, 199, 358, 398, 716, 796, 895, 995, 1253, 1393, 1790, 1990, 2506, 2786, 3580, 3980, 5012, 5572, 6265, 6965, 12530, 13930, 25060, 27860, 35621, 71242, 142484, 178105, 249347, 356210, 498694, 712420, 997388, 1246735, 2493470, 4986940]

約数ペア:

[(1, 4986940), (2, 2493470), (4, 1246735), (5, 997388), (7, 712420), (10, 498694), (14, 356210), (20, 249347), (28, 178105), (35, 142484), (70, 71242), (140, 35621), (179, 27860), (199, 25060), (358, 13930), (398, 12530), (716, 6965), (796, 6265), (895, 5572), (995, 5012), (1253, 3980), (1393, 3580), (1790, 2786), (1990, 2506)]