488889000

素因数分解:

$2^3\times 3^3\times 5^3\times {\mathrm{19}}^1\times {\mathrm{953}}^1$

素因数の和:1002

約数の個数: 256

約数和(自身を含む): 1785888000

約数和(自身を除く): 1296999000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 25, 27, 30, 36, 38, 40, 45, 50, 54, 57, 60, 72, 75, 76, 90, 95, 100, 108, 114, 120, 125, 135, 150, 152, 171, 180, 190, 200, 216, 225, 228, 250, 270, 285, 300, 342, 360, 375, 380, 450, 456, 475, 500, 513, 540, 570, 600, 675, 684, 750, 760, 855, 900, 950, 953, 1000, 1026, 1080, 1125, 1140, 1350, 1368, 1425, 1500, 1710, 1800, 1900, 1906, 2052, 2250, 2280, 2375, 2565, 2700, 2850, 2859, 3000, 3375, 3420, 3800, 3812, 4104, 4275, 4500, 4750, 4765, 5130, 5400, 5700, 5718, 6750, 6840, 7125, 7624, 8550, 8577, 9000, 9500, 9530, 10260, 11400, 11436, 12825, 13500, 14250, 14295, 17100, 17154, 18107, 19000, 19060, 20520, 21375, 22872, 23825, 25650, 25731, 27000, 28500, 28590, 34200, 34308, 36214, 38120, 42750, 42885, 47650, 51300, 51462, 54321, 57000, 57180, 64125, 68616, 71475, 72428, 85500, 85770, 90535, 95300, 102600, 102924, 108642, 114360, 119125, 128250, 128655, 142950, 144856, 162963, 171000, 171540, 181070, 190600, 205848, 214425, 217284, 238250, 256500, 257310, 271605, 285900, 325926, 343080, 357375, 362140, 428850, 434568, 452675, 476500, 488889, 513000, 514620, 543210, 571800, 643275, 651852, 714750, 724280, 814815, 857700, 905350, 953000, 977778, 1029240, 1072125, 1086420, 1286550, 1303704, 1358025, 1429500, 1629630, 1715400, 1810700, 1955556, 2144250, 2172840, 2263375, 2444445, 2573100, 2716050, 2859000, 3216375, 3259260, 3621400, 3911112, 4074075, 4288500, 4526750, 4888890, 5146200, 5432100, 6432750, 6518520, 6790125, 8148150, 8577000, 9053500, 9777780, 10864200, 12222225, 12865500, 13580250, 16296300, 18107000, 19555560, 20370375, 24444450, 25731000, 27160500, 32592600, 40740750, 48888900, 54321000, 61111125, 81481500, 97777800, 122222250, 162963000, 244444500, 488889000]

約数ペア:

[(1, 488889000), (2, 244444500), (3, 162963000), (4, 122222250), (5, 97777800), (6, 81481500), (8, 61111125), (9, 54321000), (10, 48888900), (12, 40740750), (15, 32592600), (18, 27160500), (19, 25731000), (20, 24444450), (24, 20370375), (25, 19555560), (27, 18107000), (30, 16296300), (36, 13580250), (38, 12865500), (40, 12222225), (45, 10864200), (50, 9777780), (54, 9053500), (57, 8577000), (60, 8148150), (72, 6790125), (75, 6518520), (76, 6432750), (90, 5432100), (95, 5146200), (100, 4888890), (108, 4526750), (114, 4288500), (120, 4074075), (125, 3911112), (135, 3621400), (150, 3259260), (152, 3216375), (171, 2859000), (180, 2716050), (190, 2573100), (200, 2444445), (216, 2263375), (225, 2172840), (228, 2144250), (250, 1955556), (270, 1810700), (285, 1715400), (300, 1629630), (342, 1429500), (360, 1358025), (375, 1303704), (380, 1286550), (450, 1086420), (456, 1072125), (475, 1029240), (500, 977778), (513, 953000), (540, 905350), (570, 857700), (600, 814815), (675, 724280), (684, 714750), (750, 651852), (760, 643275), (855, 571800), (900, 543210), (950, 514620), (953, 513000), (1000, 488889), (1026, 476500), (1080, 452675), (1125, 434568), (1140, 428850), (1350, 362140), (1368, 357375), (1425, 343080), (1500, 325926), (1710, 285900), (1800, 271605), (1900, 257310), (1906, 256500), (2052, 238250), (2250, 217284), (2280, 214425), (2375, 205848), (2565, 190600), (2700, 181070), (2850, 171540), (2859, 171000), (3000, 162963), (3375, 144856), (3420, 142950), (3800, 128655), (3812, 128250), (4104, 119125), (4275, 114360), (4500, 108642), (4750, 102924), (4765, 102600), (5130, 95300), (5400, 90535), (5700, 85770), (5718, 85500), (6750, 72428), (6840, 71475), (7125, 68616), (7624, 64125), (8550, 57180), (8577, 57000), (9000, 54321), (9500, 51462), (9530, 51300), (10260, 47650), (11400, 42885), (11436, 42750), (12825, 38120), (13500, 36214), (14250, 34308), (14295, 34200), (17100, 28590), (17154, 28500), (18107, 27000), (19000, 25731), (19060, 25650), (20520, 23825), (21375, 22872)]