269403920

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1\times {\mathrm{233}}^1$

素因数の和:492

約数の個数: 80

約数和(自身を含む): 639802800

約数和(自身を除く): 370398880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 149, 194, 233, 298, 388, 466, 485, 596, 745, 776, 932, 970, 1165, 1192, 1490, 1552, 1864, 1940, 2330, 2384, 2980, 3728, 3880, 4660, 5960, 7760, 9320, 11920, 14453, 18640, 22601, 28906, 34717, 45202, 57812, 69434, 72265, 90404, 113005, 115624, 138868, 144530, 173585, 180808, 226010, 231248, 277736, 289060, 347170, 361616, 452020, 555472, 578120, 694340, 904040, 1156240, 1388680, 1808080, 2777360, 3367549, 6735098, 13470196, 16837745, 26940392, 33675490, 53880784, 67350980, 134701960, 269403920]

約数ペア:

[(1, 269403920), (2, 134701960), (4, 67350980), (5, 53880784), (8, 33675490), (10, 26940392), (16, 16837745), (20, 13470196), (40, 6735098), (80, 3367549), (97, 2777360), (149, 1808080), (194, 1388680), (233, 1156240), (298, 904040), (388, 694340), (466, 578120), (485, 555472), (596, 452020), (745, 361616), (776, 347170), (932, 289060), (970, 277736), (1165, 231248), (1192, 226010), (1490, 180808), (1552, 173585), (1864, 144530), (1940, 138868), (2330, 115624), (2384, 113005), (2980, 90404), (3728, 72265), (3880, 69434), (4660, 57812), (5960, 45202), (7760, 34717), (9320, 28906), (11920, 22601), (14453, 18640)]