129457240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{9491}}^1$

素因数の和:9544

約数の個数: 64

約数和(自身を含む): 328043520

約数和(自身を除く): 198586280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 220, 248, 310, 341, 440, 620, 682, 1240, 1364, 1705, 2728, 3410, 6820, 9491, 13640, 18982, 37964, 47455, 75928, 94910, 104401, 189820, 208802, 294221, 379640, 417604, 522005, 588442, 835208, 1044010, 1176884, 1471105, 2088020, 2353768, 2942210, 3236431, 4176040, 5884420, 6472862, 11768840, 12945724, 16182155, 25891448, 32364310, 64728620, 129457240]

約数ペア:

[(1, 129457240), (2, 64728620), (4, 32364310), (5, 25891448), (8, 16182155), (10, 12945724), (11, 11768840), (20, 6472862), (22, 5884420), (31, 4176040), (40, 3236431), (44, 2942210), (55, 2353768), (62, 2088020), (88, 1471105), (110, 1176884), (124, 1044010), (155, 835208), (220, 588442), (248, 522005), (310, 417604), (341, 379640), (440, 294221), (620, 208802), (682, 189820), (1240, 104401), (1364, 94910), (1705, 75928), (2728, 47455), (3410, 37964), (6820, 18982), (9491, 13640)]