7717450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{383}}^1$

素因数の和:439

約数の個数: 48

約数和(自身を含む): 15998976

約数和(自身を除く): 8281526

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 130, 155, 310, 325, 383, 403, 650, 766, 775, 806, 1550, 1915, 2015, 3830, 4030, 4979, 9575, 9958, 10075, 11873, 19150, 20150, 23746, 24895, 49790, 59365, 118730, 124475, 154349, 248950, 296825, 308698, 593650, 771745, 1543490, 3858725, 7717450]

約数ペア:

[(1, 7717450), (2, 3858725), (5, 1543490), (10, 771745), (13, 593650), (25, 308698), (26, 296825), (31, 248950), (50, 154349), (62, 124475), (65, 118730), (130, 59365), (155, 49790), (310, 24895), (325, 23746), (383, 20150), (403, 19150), (650, 11873), (766, 10075), (775, 9958), (806, 9575), (1550, 4979), (1915, 4030), (2015, 3830)]