1999375968100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{271}}^1\times {\mathrm{363437}}^1$

素因数の和:363758

約数の個数: 144

約数和(自身を含む): 5148375482880

約数和(自身を除く): 3148999514780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 29, 35, 50, 58, 70, 100, 116, 140, 145, 175, 203, 271, 290, 350, 406, 542, 580, 700, 725, 812, 1015, 1084, 1355, 1450, 1897, 2030, 2710, 2900, 3794, 4060, 5075, 5420, 6775, 7588, 7859, 9485, 10150, 13550, 15718, 18970, 20300, 27100, 31436, 37940, 39295, 47425, 55013, 78590, 94850, 110026, 157180, 189700, 196475, 220052, 275065, 363437, 392950, 550130, 726874, 785900, 1100260, 1375325, 1453748, 1817185, 2544059, 2750650, 3634370, 5088118, 5501300, 7268740, 9085925, 10176236, 10539673, 12720295, 18171850, 21079346, 25440590, 36343700, 42158692, 50881180, 52698365, 63601475, 73777711, 98491427, 105396730, 127202950, 147555422, 196982854, 210793460, 254405900, 263491825, 295110844, 368888555, 393965708, 492457135, 526983650, 689439989, 737777110, 984914270, 1053967300, 1378879978, 1475554220, 1844442775, 1969828540, 2462285675, 2757759956, 2856251383, 3447199945, 3688885550, 4924571350, 5712502766, 6894399890, 7377771100, 9849142700, 11425005532, 13788799780, 14281256915, 17235999725, 19993759681, 28562513830, 34471999450, 39987519362, 57125027660, 68943998900, 71406284575, 79975038724, 99968798405, 142812569150, 199937596810, 285625138300, 399875193620, 499843992025, 999687984050, 1999375968100]

約数ペア:

[(1, 1999375968100), (2, 999687984050), (4, 499843992025), (5, 399875193620), (7, 285625138300), (10, 199937596810), (14, 142812569150), (20, 99968798405), (25, 79975038724), (28, 71406284575), (29, 68943998900), (35, 57125027660), (50, 39987519362), (58, 34471999450), (70, 28562513830), (100, 19993759681), (116, 17235999725), (140, 14281256915), (145, 13788799780), (175, 11425005532), (203, 9849142700), (271, 7377771100), (290, 6894399890), (350, 5712502766), (406, 4924571350), (542, 3688885550), (580, 3447199945), (700, 2856251383), (725, 2757759956), (812, 2462285675), (1015, 1969828540), (1084, 1844442775), (1355, 1475554220), (1450, 1378879978), (1897, 1053967300), (2030, 984914270), (2710, 737777110), (2900, 689439989), (3794, 526983650), (4060, 492457135), (5075, 393965708), (5420, 368888555), (6775, 295110844), (7588, 263491825), (7859, 254405900), (9485, 210793460), (10150, 196982854), (13550, 147555422), (15718, 127202950), (18970, 105396730), (20300, 98491427), (27100, 73777711), (31436, 63601475), (37940, 52698365), (39295, 50881180), (47425, 42158692), (55013, 36343700), (78590, 25440590), (94850, 21079346), (110026, 18171850), (157180, 12720295), (189700, 10539673), (196475, 10176236), (220052, 9085925), (275065, 7268740), (363437, 5501300), (392950, 5088118), (550130, 3634370), (726874, 2750650), (785900, 2544059), (1100260, 1817185), (1375325, 1453748)]