221512500

素因数分解:

$2^2\times 3^2\times 5^5\times {\mathrm{11}}^1\times {\mathrm{179}}^1$

素因数の和:225

約数の個数: 216

約数和(自身を含む): 767763360

約数和(自身を除く): 546250860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 25, 30, 33, 36, 44, 45, 50, 55, 60, 66, 75, 90, 99, 100, 110, 125, 132, 150, 165, 179, 180, 198, 220, 225, 250, 275, 300, 330, 358, 375, 396, 450, 495, 500, 537, 550, 625, 660, 716, 750, 825, 895, 900, 990, 1074, 1100, 1125, 1250, 1375, 1500, 1611, 1650, 1790, 1875, 1969, 1980, 2148, 2250, 2475, 2500, 2685, 2750, 3125, 3222, 3300, 3580, 3750, 3938, 4125, 4475, 4500, 4950, 5370, 5500, 5625, 5907, 6250, 6444, 6875, 7500, 7876, 8055, 8250, 8950, 9375, 9845, 9900, 10740, 11250, 11814, 12375, 12500, 13425, 13750, 16110, 16500, 17721, 17900, 18750, 19690, 20625, 22375, 22500, 23628, 24750, 26850, 27500, 28125, 29535, 32220, 34375, 35442, 37500, 39380, 40275, 41250, 44750, 49225, 49500, 53700, 56250, 59070, 61875, 67125, 68750, 70884, 80550, 82500, 88605, 89500, 98450, 103125, 111875, 112500, 118140, 123750, 134250, 137500, 147675, 161100, 177210, 196900, 201375, 206250, 223750, 246125, 247500, 268500, 295350, 309375, 335625, 354420, 402750, 412500, 443025, 447500, 492250, 559375, 590700, 618750, 671250, 738375, 805500, 886050, 984500, 1006875, 1118750, 1230625, 1237500, 1342500, 1476750, 1678125, 1772100, 2013750, 2215125, 2237500, 2461250, 2953500, 3356250, 3691875, 4027500, 4430250, 4922500, 5034375, 6153125, 6712500, 7383750, 8860500, 10068750, 11075625, 12306250, 14767500, 18459375, 20137500, 22151250, 24612500, 36918750, 44302500, 55378125, 73837500, 110756250, 221512500]

約数ペア:

[(1, 221512500), (2, 110756250), (3, 73837500), (4, 55378125), (5, 44302500), (6, 36918750), (9, 24612500), (10, 22151250), (11, 20137500), (12, 18459375), (15, 14767500), (18, 12306250), (20, 11075625), (22, 10068750), (25, 8860500), (30, 7383750), (33, 6712500), (36, 6153125), (44, 5034375), (45, 4922500), (50, 4430250), (55, 4027500), (60, 3691875), (66, 3356250), (75, 2953500), (90, 2461250), (99, 2237500), (100, 2215125), (110, 2013750), (125, 1772100), (132, 1678125), (150, 1476750), (165, 1342500), (179, 1237500), (180, 1230625), (198, 1118750), (220, 1006875), (225, 984500), (250, 886050), (275, 805500), (300, 738375), (330, 671250), (358, 618750), (375, 590700), (396, 559375), (450, 492250), (495, 447500), (500, 443025), (537, 412500), (550, 402750), (625, 354420), (660, 335625), (716, 309375), (750, 295350), (825, 268500), (895, 247500), (900, 246125), (990, 223750), (1074, 206250), (1100, 201375), (1125, 196900), (1250, 177210), (1375, 161100), (1500, 147675), (1611, 137500), (1650, 134250), (1790, 123750), (1875, 118140), (1969, 112500), (1980, 111875), (2148, 103125), (2250, 98450), (2475, 89500), (2500, 88605), (2685, 82500), (2750, 80550), (3125, 70884), (3222, 68750), (3300, 67125), (3580, 61875), (3750, 59070), (3938, 56250), (4125, 53700), (4475, 49500), (4500, 49225), (4950, 44750), (5370, 41250), (5500, 40275), (5625, 39380), (5907, 37500), (6250, 35442), (6444, 34375), (6875, 32220), (7500, 29535), (7876, 28125), (8055, 27500), (8250, 26850), (8950, 24750), (9375, 23628), (9845, 22500), (9900, 22375), (10740, 20625), (11250, 19690), (11814, 18750), (12375, 17900), (12500, 17721), (13425, 16500), (13750, 16110)]