22087500

素因数分解:

$2^2\times 3^1\times 5^5\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:82

約数の個数: 144

約数和(自身を含む): 69995520

約数和(自身を除く): 47908020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 25, 30, 31, 38, 50, 57, 60, 62, 75, 76, 93, 95, 100, 114, 124, 125, 150, 155, 186, 190, 228, 250, 285, 300, 310, 372, 375, 380, 465, 475, 500, 570, 589, 620, 625, 750, 775, 930, 950, 1140, 1178, 1250, 1425, 1500, 1550, 1767, 1860, 1875, 1900, 2325, 2356, 2375, 2500, 2850, 2945, 3100, 3125, 3534, 3750, 3875, 4650, 4750, 5700, 5890, 6250, 7068, 7125, 7500, 7750, 8835, 9300, 9375, 9500, 11625, 11780, 11875, 12500, 14250, 14725, 15500, 17670, 18750, 19375, 23250, 23750, 28500, 29450, 35340, 35625, 37500, 38750, 44175, 46500, 47500, 58125, 58900, 59375, 71250, 73625, 77500, 88350, 96875, 116250, 118750, 142500, 147250, 176700, 178125, 193750, 220875, 232500, 237500, 290625, 294500, 356250, 368125, 387500, 441750, 581250, 712500, 736250, 883500, 1104375, 1162500, 1472500, 1840625, 2208750, 3681250, 4417500, 5521875, 7362500, 11043750, 22087500]

約数ペア:

[(1, 22087500), (2, 11043750), (3, 7362500), (4, 5521875), (5, 4417500), (6, 3681250), (10, 2208750), (12, 1840625), (15, 1472500), (19, 1162500), (20, 1104375), (25, 883500), (30, 736250), (31, 712500), (38, 581250), (50, 441750), (57, 387500), (60, 368125), (62, 356250), (75, 294500), (76, 290625), (93, 237500), (95, 232500), (100, 220875), (114, 193750), (124, 178125), (125, 176700), (150, 147250), (155, 142500), (186, 118750), (190, 116250), (228, 96875), (250, 88350), (285, 77500), (300, 73625), (310, 71250), (372, 59375), (375, 58900), (380, 58125), (465, 47500), (475, 46500), (500, 44175), (570, 38750), (589, 37500), (620, 35625), (625, 35340), (750, 29450), (775, 28500), (930, 23750), (950, 23250), (1140, 19375), (1178, 18750), (1250, 17670), (1425, 15500), (1500, 14725), (1550, 14250), (1767, 12500), (1860, 11875), (1875, 11780), (1900, 11625), (2325, 9500), (2356, 9375), (2375, 9300), (2500, 8835), (2850, 7750), (2945, 7500), (3100, 7125), (3125, 7068), (3534, 6250), (3750, 5890), (3875, 5700), (4650, 4750)]