12970298900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{22727}}^1$

素因数の和:23193

約数の個数: 72

約数和(自身を含む): 30380972160

約数和(自身を除く): 17410673260

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 439, 650, 878, 1300, 1756, 2195, 4390, 5707, 8780, 10975, 11414, 21950, 22727, 22828, 28535, 43900, 45454, 57070, 90908, 113635, 114140, 142675, 227270, 285350, 295451, 454540, 568175, 570700, 590902, 1136350, 1181804, 1477255, 2272700, 2954510, 5909020, 7386275, 9977153, 14772550, 19954306, 29545100, 39908612, 49885765, 99771530, 129702989, 199543060, 249428825, 259405978, 498857650, 518811956, 648514945, 997715300, 1297029890, 2594059780, 3242574725, 6485149450, 12970298900]

約数ペア:

[(1, 12970298900), (2, 6485149450), (4, 3242574725), (5, 2594059780), (10, 1297029890), (13, 997715300), (20, 648514945), (25, 518811956), (26, 498857650), (50, 259405978), (52, 249428825), (65, 199543060), (100, 129702989), (130, 99771530), (260, 49885765), (325, 39908612), (439, 29545100), (650, 19954306), (878, 14772550), (1300, 9977153), (1756, 7386275), (2195, 5909020), (4390, 2954510), (5707, 2272700), (8780, 1477255), (10975, 1181804), (11414, 1136350), (21950, 590902), (22727, 570700), (22828, 568175), (28535, 454540), (43900, 295451), (45454, 285350), (57070, 227270), (90908, 142675), (113635, 114140)]