890809965

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{971}}^1$

素因数の和:1067

約数の個数: 96

約数和(自身を含む): 1728604800

約数和(自身を除く): 837794835

約数列:

[1, 3, 5, 9, 15, 19, 29, 37, 45, 57, 87, 95, 111, 145, 171, 185, 261, 285, 333, 435, 551, 555, 703, 855, 971, 1073, 1305, 1653, 1665, 2109, 2755, 2913, 3219, 3515, 4855, 4959, 5365, 6327, 8265, 8739, 9657, 10545, 14565, 16095, 18449, 20387, 24795, 28159, 31635, 35927, 43695, 48285, 55347, 61161, 84477, 92245, 101935, 107781, 140795, 166041, 179635, 183483, 253431, 276735, 305805, 323343, 422385, 535021, 538905, 682613, 830205, 917415, 1041883, 1267155, 1605063, 1616715, 2047839, 2675105, 3125649, 3413065, 4815189, 5209415, 6143517, 8025315, 9376947, 10239195, 15628245, 19795777, 24075945, 30717585, 46884735, 59387331, 98978885, 178161993, 296936655, 890809965]

約数ペア:

[(1, 890809965), (3, 296936655), (5, 178161993), (9, 98978885), (15, 59387331), (19, 46884735), (29, 30717585), (37, 24075945), (45, 19795777), (57, 15628245), (87, 10239195), (95, 9376947), (111, 8025315), (145, 6143517), (171, 5209415), (185, 4815189), (261, 3413065), (285, 3125649), (333, 2675105), (435, 2047839), (551, 1616715), (555, 1605063), (703, 1267155), (855, 1041883), (971, 917415), (1073, 830205), (1305, 682613), (1653, 538905), (1665, 535021), (2109, 422385), (2755, 323343), (2913, 305805), (3219, 276735), (3515, 253431), (4855, 183483), (4959, 179635), (5365, 166041), (6327, 140795), (8265, 107781), (8739, 101935), (9657, 92245), (10545, 84477), (14565, 61161), (16095, 55347), (18449, 48285), (20387, 43695), (24795, 35927), (28159, 31635)]