28401870

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{139}}^2$

素因数の和:302

約数の個数: 72

約数和(自身を含む): 79867944

約数和(自身を除く): 51466074

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 139, 147, 210, 245, 278, 294, 417, 490, 695, 735, 834, 973, 1390, 1470, 1946, 2085, 2919, 4170, 4865, 5838, 6811, 9730, 13622, 14595, 19321, 20433, 29190, 34055, 38642, 40866, 57963, 68110, 96605, 102165, 115926, 135247, 193210, 204330, 270494, 289815, 405741, 579630, 676235, 811482, 946729, 1352470, 1893458, 2028705, 2840187, 4057410, 4733645, 5680374, 9467290, 14200935, 28401870]

約数ペア:

[(1, 28401870), (2, 14200935), (3, 9467290), (5, 5680374), (6, 4733645), (7, 4057410), (10, 2840187), (14, 2028705), (15, 1893458), (21, 1352470), (30, 946729), (35, 811482), (42, 676235), (49, 579630), (70, 405741), (98, 289815), (105, 270494), (139, 204330), (147, 193210), (210, 135247), (245, 115926), (278, 102165), (294, 96605), (417, 68110), (490, 57963), (695, 40866), (735, 38642), (834, 34055), (973, 29190), (1390, 20433), (1470, 19321), (1946, 14595), (2085, 13622), (2919, 9730), (4170, 6811), (4865, 5838)]