189905440

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{28949}}^1$

素因数の和:29005

約数の個数: 48

約数和(自身を含む): 459610200

約数和(自身を除く): 269704760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 3280, 6560, 28949, 57898, 115796, 144745, 231592, 289490, 463184, 578980, 926368, 1157960, 1186909, 2315920, 2373818, 4631840, 4747636, 5934545, 9495272, 11869090, 18990544, 23738180, 37981088, 47476360, 94952720, 189905440]

約数ペア:

[(1, 189905440), (2, 94952720), (4, 47476360), (5, 37981088), (8, 23738180), (10, 18990544), (16, 11869090), (20, 9495272), (32, 5934545), (40, 4747636), (41, 4631840), (80, 2373818), (82, 2315920), (160, 1186909), (164, 1157960), (205, 926368), (328, 578980), (410, 463184), (656, 289490), (820, 231592), (1312, 144745), (1640, 115796), (3280, 57898), (6560, 28949)]