81419100

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{283}}^1$

素因数の和:444

約数の個数: 144

約数和(自身を含む): 272149248

約数和(自身を除く): 190730148

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 137, 140, 150, 175, 210, 274, 283, 300, 350, 411, 420, 525, 548, 566, 685, 700, 822, 849, 959, 1050, 1132, 1370, 1415, 1644, 1698, 1918, 1981, 2055, 2100, 2740, 2830, 2877, 3396, 3425, 3836, 3962, 4110, 4245, 4795, 5660, 5754, 5943, 6850, 7075, 7924, 8220, 8490, 9590, 9905, 10275, 11508, 11886, 13700, 14150, 14385, 16980, 19180, 19810, 20550, 21225, 23772, 23975, 28300, 28770, 29715, 38771, 39620, 41100, 42450, 47950, 49525, 57540, 59430, 71925, 77542, 84900, 95900, 99050, 116313, 118860, 143850, 148575, 155084, 193855, 198100, 232626, 271397, 287700, 297150, 387710, 465252, 542794, 581565, 594300, 775420, 814191, 969275, 1085588, 1163130, 1356985, 1628382, 1938550, 2326260, 2713970, 2907825, 3256764, 3877100, 4070955, 5427940, 5815650, 6784925, 8141910, 11631300, 13569850, 16283820, 20354775, 27139700, 40709550, 81419100]

約数ペア:

[(1, 81419100), (2, 40709550), (3, 27139700), (4, 20354775), (5, 16283820), (6, 13569850), (7, 11631300), (10, 8141910), (12, 6784925), (14, 5815650), (15, 5427940), (20, 4070955), (21, 3877100), (25, 3256764), (28, 2907825), (30, 2713970), (35, 2326260), (42, 1938550), (50, 1628382), (60, 1356985), (70, 1163130), (75, 1085588), (84, 969275), (100, 814191), (105, 775420), (137, 594300), (140, 581565), (150, 542794), (175, 465252), (210, 387710), (274, 297150), (283, 287700), (300, 271397), (350, 232626), (411, 198100), (420, 193855), (525, 155084), (548, 148575), (566, 143850), (685, 118860), (700, 116313), (822, 99050), (849, 95900), (959, 84900), (1050, 77542), (1132, 71925), (1370, 59430), (1415, 57540), (1644, 49525), (1698, 47950), (1918, 42450), (1981, 41100), (2055, 39620), (2100, 38771), (2740, 29715), (2830, 28770), (2877, 28300), (3396, 23975), (3425, 23772), (3836, 21225), (3962, 20550), (4110, 19810), (4245, 19180), (4795, 16980), (5660, 14385), (5754, 14150), (5943, 13700), (6850, 11886), (7075, 11508), (7924, 10275), (8220, 9905), (8490, 9590)]