1278702940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{163517}}^1$

素因数の和:163566

約数の個数: 48

約数和(自身を含む): 2966870592

約数和(自身を除く): 1688167652

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 92, 115, 170, 230, 340, 391, 460, 782, 1564, 1955, 3910, 7820, 163517, 327034, 654068, 817585, 1635170, 2779789, 3270340, 3760891, 5559578, 7521782, 11119156, 13898945, 15043564, 18804455, 27797890, 37608910, 55595780, 63935147, 75217820, 127870294, 255740588, 319675735, 639351470, 1278702940]

約数ペア:

[(1, 1278702940), (2, 639351470), (4, 319675735), (5, 255740588), (10, 127870294), (17, 75217820), (20, 63935147), (23, 55595780), (34, 37608910), (46, 27797890), (68, 18804455), (85, 15043564), (92, 13898945), (115, 11119156), (170, 7521782), (230, 5559578), (340, 3760891), (391, 3270340), (460, 2779789), (782, 1635170), (1564, 817585), (1955, 654068), (3910, 327034), (7820, 163517)]