28693770

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{983}}^1$

素因数の和:1139

約数の個数: 64

約数和(自身を含む): 79349760

約数和(自身を除く): 50655990

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 139, 210, 278, 417, 695, 834, 973, 983, 1390, 1946, 1966, 2085, 2919, 2949, 4170, 4865, 4915, 5838, 5898, 6881, 9730, 9830, 13762, 14595, 14745, 20643, 29190, 29490, 34405, 41286, 68810, 103215, 136637, 206430, 273274, 409911, 683185, 819822, 956459, 1366370, 1912918, 2049555, 2869377, 4099110, 4782295, 5738754, 9564590, 14346885, 28693770]

約数ペア:

[(1, 28693770), (2, 14346885), (3, 9564590), (5, 5738754), (6, 4782295), (7, 4099110), (10, 2869377), (14, 2049555), (15, 1912918), (21, 1366370), (30, 956459), (35, 819822), (42, 683185), (70, 409911), (105, 273274), (139, 206430), (210, 136637), (278, 103215), (417, 68810), (695, 41286), (834, 34405), (973, 29490), (983, 29190), (1390, 20643), (1946, 14745), (1966, 14595), (2085, 13762), (2919, 9830), (2949, 9730), (4170, 6881), (4865, 5898), (4915, 5838)]