28493080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{29}}^2$

素因数の和:98

約数の個数: 144

約数和(自身を含む): 83406960

約数和(自身を除く): 54913880

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 29, 35, 40, 44, 55, 56, 58, 70, 77, 88, 110, 116, 121, 140, 145, 154, 203, 220, 232, 242, 280, 290, 308, 319, 385, 406, 440, 484, 580, 605, 616, 638, 770, 812, 841, 847, 968, 1015, 1160, 1210, 1276, 1540, 1595, 1624, 1682, 1694, 2030, 2233, 2420, 2552, 3080, 3190, 3364, 3388, 3509, 4060, 4205, 4235, 4466, 4840, 5887, 6380, 6728, 6776, 7018, 8120, 8410, 8470, 8932, 9251, 11165, 11774, 12760, 14036, 16820, 16940, 17545, 17864, 18502, 22330, 23548, 24563, 28072, 29435, 33640, 33880, 35090, 37004, 44660, 46255, 47096, 49126, 58870, 64757, 70180, 74008, 89320, 92510, 98252, 101761, 117740, 122815, 129514, 140360, 185020, 196504, 203522, 235480, 245630, 259028, 323785, 370040, 407044, 491260, 508805, 518056, 647570, 712327, 814088, 982520, 1017610, 1295140, 1424654, 2035220, 2590280, 2849308, 3561635, 4070440, 5698616, 7123270, 14246540, 28493080]

約数ペア:

[(1, 28493080), (2, 14246540), (4, 7123270), (5, 5698616), (7, 4070440), (8, 3561635), (10, 2849308), (11, 2590280), (14, 2035220), (20, 1424654), (22, 1295140), (28, 1017610), (29, 982520), (35, 814088), (40, 712327), (44, 647570), (55, 518056), (56, 508805), (58, 491260), (70, 407044), (77, 370040), (88, 323785), (110, 259028), (116, 245630), (121, 235480), (140, 203522), (145, 196504), (154, 185020), (203, 140360), (220, 129514), (232, 122815), (242, 117740), (280, 101761), (290, 98252), (308, 92510), (319, 89320), (385, 74008), (406, 70180), (440, 64757), (484, 58870), (580, 49126), (605, 47096), (616, 46255), (638, 44660), (770, 37004), (812, 35090), (841, 33880), (847, 33640), (968, 29435), (1015, 28072), (1160, 24563), (1210, 23548), (1276, 22330), (1540, 18502), (1595, 17864), (1624, 17545), (1682, 16940), (1694, 16820), (2030, 14036), (2233, 12760), (2420, 11774), (2552, 11165), (3080, 9251), (3190, 8932), (3364, 8470), (3388, 8410), (3509, 8120), (4060, 7018), (4205, 6776), (4235, 6728), (4466, 6380), (4840, 5887)]