220713025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1153}}^1$

素因数の和:1226

約数の個数: 48

約数和(自身を含む): 320535040

約数和(自身を除く): 99822015

約数列:

[1, 5, 13, 19, 25, 31, 65, 95, 155, 247, 325, 403, 475, 589, 775, 1153, 1235, 2015, 2945, 5765, 6175, 7657, 10075, 14725, 14989, 21907, 28825, 35743, 38285, 74945, 109535, 178715, 191425, 284791, 374725, 464659, 547675, 679117, 893575, 1423955, 2323295, 3395585, 7119775, 8828521, 11616475, 16977925, 44142605, 220713025]

約数ペア:

[(1, 220713025), (5, 44142605), (13, 16977925), (19, 11616475), (25, 8828521), (31, 7119775), (65, 3395585), (95, 2323295), (155, 1423955), (247, 893575), (325, 679117), (403, 547675), (475, 464659), (589, 374725), (775, 284791), (1153, 191425), (1235, 178715), (2015, 109535), (2945, 74945), (5765, 38285), (6175, 35743), (7657, 28825), (10075, 21907), (14725, 14989)]