28143750

素因数分解:

$2^1\times 3^1\times 5^5\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:128

約数の個数: 96

約数和(自身を含む): 74995200

約数和(自身を除く): 46851450

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 25, 30, 38, 50, 57, 75, 79, 95, 114, 125, 150, 158, 190, 237, 250, 285, 375, 395, 474, 475, 570, 625, 750, 790, 950, 1185, 1250, 1425, 1501, 1875, 1975, 2370, 2375, 2850, 3002, 3125, 3750, 3950, 4503, 4750, 5925, 6250, 7125, 7505, 9006, 9375, 9875, 11850, 11875, 14250, 15010, 18750, 19750, 22515, 23750, 29625, 35625, 37525, 45030, 49375, 59250, 59375, 71250, 75050, 98750, 112575, 118750, 148125, 178125, 187625, 225150, 246875, 296250, 356250, 375250, 493750, 562875, 740625, 938125, 1125750, 1481250, 1876250, 2814375, 4690625, 5628750, 9381250, 14071875, 28143750]

約数ペア:

[(1, 28143750), (2, 14071875), (3, 9381250), (5, 5628750), (6, 4690625), (10, 2814375), (15, 1876250), (19, 1481250), (25, 1125750), (30, 938125), (38, 740625), (50, 562875), (57, 493750), (75, 375250), (79, 356250), (95, 296250), (114, 246875), (125, 225150), (150, 187625), (158, 178125), (190, 148125), (237, 118750), (250, 112575), (285, 98750), (375, 75050), (395, 71250), (474, 59375), (475, 59250), (570, 49375), (625, 45030), (750, 37525), (790, 35625), (950, 29625), (1185, 23750), (1250, 22515), (1425, 19750), (1501, 18750), (1875, 15010), (1975, 14250), (2370, 11875), (2375, 11850), (2850, 9875), (3002, 9375), (3125, 9006), (3750, 7505), (3950, 7125), (4503, 6250), (4750, 5925)]