671400025

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{173}}^1$

素因数の和:366

約数の個数: 48

約数和(自身を含む): 891304560

約数和(自身を除く): 219904535

約数列:

[1, 5, 25, 29, 53, 101, 145, 173, 265, 505, 725, 865, 1325, 1537, 2525, 2929, 4325, 5017, 5353, 7685, 9169, 14645, 17473, 25085, 26765, 38425, 45845, 73225, 87365, 125425, 133825, 155237, 229225, 265901, 436825, 506717, 776185, 926069, 1329505, 2533585, 3880925, 4630345, 6647525, 12667925, 23151725, 26856001, 134280005, 671400025]

約数ペア:

[(1, 671400025), (5, 134280005), (25, 26856001), (29, 23151725), (53, 12667925), (101, 6647525), (145, 4630345), (173, 3880925), (265, 2533585), (505, 1329505), (725, 926069), (865, 776185), (1325, 506717), (1537, 436825), (2525, 265901), (2929, 229225), (4325, 155237), (5017, 133825), (5353, 125425), (7685, 87365), (9169, 73225), (14645, 45845), (17473, 38425), (25085, 26765)]