654344860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1181}}^1\times {\mathrm{2131}}^1$

素因数の和:3334

約数の個数: 48

約数和(自身を含む): 1481774112

約数和(自身を除く): 827429252

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1181, 2131, 2362, 4262, 4724, 5905, 8524, 10655, 11810, 15353, 21310, 23620, 27703, 30706, 42620, 55406, 61412, 76765, 110812, 138515, 153530, 277030, 307060, 554060, 2516711, 5033422, 10066844, 12583555, 25167110, 32717243, 50334220, 65434486, 130868972, 163586215, 327172430, 654344860]

約数ペア:

[(1, 654344860), (2, 327172430), (4, 163586215), (5, 130868972), (10, 65434486), (13, 50334220), (20, 32717243), (26, 25167110), (52, 12583555), (65, 10066844), (130, 5033422), (260, 2516711), (1181, 554060), (2131, 307060), (2362, 277030), (4262, 153530), (4724, 138515), (5905, 110812), (8524, 76765), (10655, 61412), (11810, 55406), (15353, 42620), (21310, 30706), (23620, 27703)]