28237500

素因数分解:

$2^2\times 3^2\times 5^5\times {\mathrm{251}}^1$

素因数の和:286

約数の個数: 108

約数和(自身を含む): 89572392

約数和(自身を除く): 61334892

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 125, 150, 180, 225, 250, 251, 300, 375, 450, 500, 502, 625, 750, 753, 900, 1004, 1125, 1250, 1255, 1500, 1506, 1875, 2250, 2259, 2500, 2510, 3012, 3125, 3750, 3765, 4500, 4518, 5020, 5625, 6250, 6275, 7500, 7530, 9036, 9375, 11250, 11295, 12500, 12550, 15060, 18750, 18825, 22500, 22590, 25100, 28125, 31375, 37500, 37650, 45180, 56250, 56475, 62750, 75300, 94125, 112500, 112950, 125500, 156875, 188250, 225900, 282375, 313750, 376500, 470625, 564750, 627500, 784375, 941250, 1129500, 1411875, 1568750, 1882500, 2353125, 2823750, 3137500, 4706250, 5647500, 7059375, 9412500, 14118750, 28237500]

約数ペア:

[(1, 28237500), (2, 14118750), (3, 9412500), (4, 7059375), (5, 5647500), (6, 4706250), (9, 3137500), (10, 2823750), (12, 2353125), (15, 1882500), (18, 1568750), (20, 1411875), (25, 1129500), (30, 941250), (36, 784375), (45, 627500), (50, 564750), (60, 470625), (75, 376500), (90, 313750), (100, 282375), (125, 225900), (150, 188250), (180, 156875), (225, 125500), (250, 112950), (251, 112500), (300, 94125), (375, 75300), (450, 62750), (500, 56475), (502, 56250), (625, 45180), (750, 37650), (753, 37500), (900, 31375), (1004, 28125), (1125, 25100), (1250, 22590), (1255, 22500), (1500, 18825), (1506, 18750), (1875, 15060), (2250, 12550), (2259, 12500), (2500, 11295), (2510, 11250), (3012, 9375), (3125, 9036), (3750, 7530), (3765, 7500), (4500, 6275), (4518, 6250), (5020, 5625)]