28761250

素因数分解:

$2^1\times 5^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1$

素因数の和:221

約数の個数: 80

約数和(自身を含む): 65229120

約数和(自身を除く): 36467870

約数列:

[1, 2, 5, 7, 10, 14, 19, 25, 35, 38, 50, 70, 95, 125, 133, 173, 175, 190, 250, 266, 346, 350, 475, 625, 665, 865, 875, 950, 1211, 1250, 1330, 1730, 1750, 2375, 2422, 3287, 3325, 4325, 4375, 4750, 6055, 6574, 6650, 8650, 8750, 11875, 12110, 16435, 16625, 21625, 23009, 23750, 30275, 32870, 33250, 43250, 46018, 60550, 82175, 83125, 108125, 115045, 151375, 164350, 166250, 216250, 230090, 302750, 410875, 575225, 756875, 821750, 1150450, 1513750, 2054375, 2876125, 4108750, 5752250, 14380625, 28761250]

約数ペア:

[(1, 28761250), (2, 14380625), (5, 5752250), (7, 4108750), (10, 2876125), (14, 2054375), (19, 1513750), (25, 1150450), (35, 821750), (38, 756875), (50, 575225), (70, 410875), (95, 302750), (125, 230090), (133, 216250), (173, 166250), (175, 164350), (190, 151375), (250, 115045), (266, 108125), (346, 83125), (350, 82175), (475, 60550), (625, 46018), (665, 43250), (865, 33250), (875, 32870), (950, 30275), (1211, 23750), (1250, 23009), (1330, 21625), (1730, 16625), (1750, 16435), (2375, 12110), (2422, 11875), (3287, 8750), (3325, 8650), (4325, 6650), (4375, 6574), (4750, 6055)]