85868860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:212

約数の個数: 144

約数和(自身を含む): 234343872

約数和(自身を除く): 148475012

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 37, 44, 55, 70, 74, 77, 110, 121, 137, 140, 148, 154, 185, 220, 242, 259, 274, 308, 370, 385, 407, 484, 518, 548, 605, 685, 740, 770, 814, 847, 959, 1036, 1210, 1295, 1370, 1507, 1540, 1628, 1694, 1918, 2035, 2420, 2590, 2740, 2849, 3014, 3388, 3836, 4070, 4235, 4477, 4795, 5069, 5180, 5698, 6028, 7535, 8140, 8470, 8954, 9590, 10138, 10549, 11396, 14245, 15070, 16577, 16940, 17908, 19180, 20276, 21098, 22385, 25345, 28490, 30140, 31339, 33154, 35483, 42196, 44770, 50690, 52745, 55759, 56980, 62678, 66308, 70966, 82885, 89540, 101380, 105490, 111518, 116039, 125356, 141932, 156695, 165770, 177415, 210980, 223036, 232078, 278795, 313390, 331540, 354830, 390313, 464156, 557590, 580195, 613349, 626780, 709660, 780626, 1115180, 1160390, 1226698, 1561252, 1951565, 2320780, 2453396, 3066745, 3903130, 4293443, 6133490, 7806260, 8586886, 12266980, 17173772, 21467215, 42934430, 85868860]

約数ペア:

[(1, 85868860), (2, 42934430), (4, 21467215), (5, 17173772), (7, 12266980), (10, 8586886), (11, 7806260), (14, 6133490), (20, 4293443), (22, 3903130), (28, 3066745), (35, 2453396), (37, 2320780), (44, 1951565), (55, 1561252), (70, 1226698), (74, 1160390), (77, 1115180), (110, 780626), (121, 709660), (137, 626780), (140, 613349), (148, 580195), (154, 557590), (185, 464156), (220, 390313), (242, 354830), (259, 331540), (274, 313390), (308, 278795), (370, 232078), (385, 223036), (407, 210980), (484, 177415), (518, 165770), (548, 156695), (605, 141932), (685, 125356), (740, 116039), (770, 111518), (814, 105490), (847, 101380), (959, 89540), (1036, 82885), (1210, 70966), (1295, 66308), (1370, 62678), (1507, 56980), (1540, 55759), (1628, 52745), (1694, 50690), (1918, 44770), (2035, 42196), (2420, 35483), (2590, 33154), (2740, 31339), (2849, 30140), (3014, 28490), (3388, 25345), (3836, 22385), (4070, 21098), (4235, 20276), (4477, 19180), (4795, 17908), (5069, 16940), (5180, 16577), (5698, 15070), (6028, 14245), (7535, 11396), (8140, 10549), (8470, 10138), (8954, 9590)]