4979780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{179}}^1$

素因数の和:308

約数の個数: 48

約数和(自身を含む): 11430720

約数和(自身を除く): 6450940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 107, 130, 179, 214, 260, 358, 428, 535, 716, 895, 1070, 1391, 1790, 2140, 2327, 2782, 3580, 4654, 5564, 6955, 9308, 11635, 13910, 19153, 23270, 27820, 38306, 46540, 76612, 95765, 191530, 248989, 383060, 497978, 995956, 1244945, 2489890, 4979780]

約数ペア:

[(1, 4979780), (2, 2489890), (4, 1244945), (5, 995956), (10, 497978), (13, 383060), (20, 248989), (26, 191530), (52, 95765), (65, 76612), (107, 46540), (130, 38306), (179, 27820), (214, 23270), (260, 19153), (358, 13910), (428, 11635), (535, 9308), (716, 6955), (895, 5564), (1070, 4654), (1391, 3580), (1790, 2782), (2140, 2327)]