1900821650

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{417763}}^1$

素因数の和:417795

約数の個数: 48

約数和(自身を含む): 4351429824

約数和(自身を除く): 2450608174

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 50, 65, 70, 91, 130, 175, 182, 325, 350, 455, 650, 910, 2275, 4550, 417763, 835526, 2088815, 2924341, 4177630, 5430919, 5848682, 10444075, 10861838, 14621705, 20888150, 27154595, 29243410, 38016433, 54309190, 73108525, 76032866, 135772975, 146217050, 190082165, 271545950, 380164330, 950410825, 1900821650]

約数ペア:

[(1, 1900821650), (2, 950410825), (5, 380164330), (7, 271545950), (10, 190082165), (13, 146217050), (14, 135772975), (25, 76032866), (26, 73108525), (35, 54309190), (50, 38016433), (65, 29243410), (70, 27154595), (91, 20888150), (130, 14621705), (175, 10861838), (182, 10444075), (325, 5848682), (350, 5430919), (455, 4177630), (650, 2924341), (910, 2088815), (2275, 835526), (4550, 417763)]