130326260

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{211}}^1\times {\mathrm{347}}^1$

素因数の和:656

約数の個数: 48

約数和(自身を含む): 278873280

約数和(自身を除く): 148547020

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 211, 347, 356, 422, 445, 694, 844, 890, 1055, 1388, 1735, 1780, 2110, 3470, 4220, 6940, 18779, 30883, 37558, 61766, 73217, 75116, 93895, 123532, 146434, 154415, 187790, 292868, 308830, 366085, 375580, 617660, 732170, 1464340, 6516313, 13032626, 26065252, 32581565, 65163130, 130326260]

約数ペア:

[(1, 130326260), (2, 65163130), (4, 32581565), (5, 26065252), (10, 13032626), (20, 6516313), (89, 1464340), (178, 732170), (211, 617660), (347, 375580), (356, 366085), (422, 308830), (445, 292868), (694, 187790), (844, 154415), (890, 146434), (1055, 123532), (1388, 93895), (1735, 75116), (1780, 73217), (2110, 61766), (3470, 37558), (4220, 30883), (6940, 18779)]