55557900

素因数分解:

$2^2\times 3^4\times 5^2\times {\mathrm{19}}^3$

素因数の和:83

約数の個数: 180

約数和(自身を含む): 190100680

約数和(自身を除く): 134542780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 25, 27, 30, 36, 38, 45, 50, 54, 57, 60, 75, 76, 81, 90, 95, 100, 108, 114, 135, 150, 162, 171, 180, 190, 225, 228, 270, 285, 300, 324, 342, 361, 380, 405, 450, 475, 513, 540, 570, 675, 684, 722, 810, 855, 900, 950, 1026, 1083, 1140, 1350, 1425, 1444, 1539, 1620, 1710, 1805, 1900, 2025, 2052, 2166, 2565, 2700, 2850, 3078, 3249, 3420, 3610, 4050, 4275, 4332, 5130, 5415, 5700, 6156, 6498, 6859, 7220, 7695, 8100, 8550, 9025, 9747, 10260, 10830, 12825, 12996, 13718, 15390, 16245, 17100, 18050, 19494, 20577, 21660, 25650, 27075, 27436, 29241, 30780, 32490, 34295, 36100, 38475, 38988, 41154, 48735, 51300, 54150, 58482, 61731, 64980, 68590, 76950, 81225, 82308, 97470, 102885, 108300, 116964, 123462, 137180, 146205, 153900, 162450, 171475, 185193, 194940, 205770, 243675, 246924, 292410, 308655, 324900, 342950, 370386, 411540, 487350, 514425, 555579, 584820, 617310, 685900, 731025, 740772, 925965, 974700, 1028850, 1111158, 1234620, 1462050, 1543275, 1851930, 2057700, 2222316, 2777895, 2924100, 3086550, 3703860, 4629825, 5555790, 6173100, 9259650, 11111580, 13889475, 18519300, 27778950, 55557900]

約数ペア:

[(1, 55557900), (2, 27778950), (3, 18519300), (4, 13889475), (5, 11111580), (6, 9259650), (9, 6173100), (10, 5555790), (12, 4629825), (15, 3703860), (18, 3086550), (19, 2924100), (20, 2777895), (25, 2222316), (27, 2057700), (30, 1851930), (36, 1543275), (38, 1462050), (45, 1234620), (50, 1111158), (54, 1028850), (57, 974700), (60, 925965), (75, 740772), (76, 731025), (81, 685900), (90, 617310), (95, 584820), (100, 555579), (108, 514425), (114, 487350), (135, 411540), (150, 370386), (162, 342950), (171, 324900), (180, 308655), (190, 292410), (225, 246924), (228, 243675), (270, 205770), (285, 194940), (300, 185193), (324, 171475), (342, 162450), (361, 153900), (380, 146205), (405, 137180), (450, 123462), (475, 116964), (513, 108300), (540, 102885), (570, 97470), (675, 82308), (684, 81225), (722, 76950), (810, 68590), (855, 64980), (900, 61731), (950, 58482), (1026, 54150), (1083, 51300), (1140, 48735), (1350, 41154), (1425, 38988), (1444, 38475), (1539, 36100), (1620, 34295), (1710, 32490), (1805, 30780), (1900, 29241), (2025, 27436), (2052, 27075), (2166, 25650), (2565, 21660), (2700, 20577), (2850, 19494), (3078, 18050), (3249, 17100), (3420, 16245), (3610, 15390), (4050, 13718), (4275, 12996), (4332, 12825), (5130, 10830), (5415, 10260), (5700, 9747), (6156, 9025), (6498, 8550), (6859, 8100), (7220, 7695)]