4561820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 10257408

約数和(自身を除く): 5695588

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 47, 92, 94, 115, 188, 211, 230, 235, 422, 460, 470, 844, 940, 1055, 1081, 2110, 2162, 4220, 4324, 4853, 5405, 9706, 9917, 10810, 19412, 19834, 21620, 24265, 39668, 48530, 49585, 97060, 99170, 198340, 228091, 456182, 912364, 1140455, 2280910, 4561820]

約数ペア:

[(1, 4561820), (2, 2280910), (4, 1140455), (5, 912364), (10, 456182), (20, 228091), (23, 198340), (46, 99170), (47, 97060), (92, 49585), (94, 48530), (115, 39668), (188, 24265), (211, 21620), (230, 19834), (235, 19412), (422, 10810), (460, 9917), (470, 9706), (844, 5405), (940, 4853), (1055, 4324), (1081, 4220), (2110, 2162)]