239974120

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1\times {\mathrm{487}}^1$

素因数の和:722

約数の個数: 64

約数和(自身を含む): 550932480

約数和(自身を除く): 310958360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 127, 194, 254, 388, 485, 487, 508, 635, 776, 970, 974, 1016, 1270, 1940, 1948, 2435, 2540, 3880, 3896, 4870, 5080, 9740, 12319, 19480, 24638, 47239, 49276, 61595, 61849, 94478, 98552, 123190, 123698, 188956, 236195, 246380, 247396, 309245, 377912, 472390, 492760, 494792, 618490, 944780, 1236980, 1889560, 2473960, 5999353, 11998706, 23997412, 29996765, 47994824, 59993530, 119987060, 239974120]

約数ペア:

[(1, 239974120), (2, 119987060), (4, 59993530), (5, 47994824), (8, 29996765), (10, 23997412), (20, 11998706), (40, 5999353), (97, 2473960), (127, 1889560), (194, 1236980), (254, 944780), (388, 618490), (485, 494792), (487, 492760), (508, 472390), (635, 377912), (776, 309245), (970, 247396), (974, 246380), (1016, 236195), (1270, 188956), (1940, 123698), (1948, 123190), (2435, 98552), (2540, 94478), (3880, 61849), (3896, 61595), (4870, 49276), (5080, 47239), (9740, 24638), (12319, 19480)]