207968540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{3319}}^1$

素因数の和:3582

約数の個数: 48

約数和(自身を含む): 472422720

約数和(自身を除く): 264454180

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 241, 260, 482, 964, 1205, 2410, 3133, 3319, 4820, 6266, 6638, 12532, 13276, 15665, 16595, 31330, 33190, 43147, 62660, 66380, 86294, 172588, 215735, 431470, 799879, 862940, 1599758, 3199516, 3999395, 7998790, 10398427, 15997580, 20796854, 41593708, 51992135, 103984270, 207968540]

約数ペア:

[(1, 207968540), (2, 103984270), (4, 51992135), (5, 41593708), (10, 20796854), (13, 15997580), (20, 10398427), (26, 7998790), (52, 3999395), (65, 3199516), (130, 1599758), (241, 862940), (260, 799879), (482, 431470), (964, 215735), (1205, 172588), (2410, 86294), (3133, 66380), (3319, 62660), (4820, 43147), (6266, 33190), (6638, 31330), (12532, 16595), (13276, 15665)]