51398970

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{787}}^1$

素因数の和:1115

約数の個数: 64

約数和(自身を含む): 141613056

約数和(自身を除く): 90214086

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 311, 622, 787, 933, 1555, 1574, 1866, 2177, 2361, 3110, 3935, 4354, 4665, 4722, 5509, 6531, 7870, 9330, 10885, 11018, 11805, 13062, 16527, 21770, 23610, 27545, 32655, 33054, 55090, 65310, 82635, 165270, 244757, 489514, 734271, 1223785, 1468542, 1713299, 2447570, 3426598, 3671355, 5139897, 7342710, 8566495, 10279794, 17132990, 25699485, 51398970]

約数ペア:

[(1, 51398970), (2, 25699485), (3, 17132990), (5, 10279794), (6, 8566495), (7, 7342710), (10, 5139897), (14, 3671355), (15, 3426598), (21, 2447570), (30, 1713299), (35, 1468542), (42, 1223785), (70, 734271), (105, 489514), (210, 244757), (311, 165270), (622, 82635), (787, 65310), (933, 55090), (1555, 33054), (1574, 32655), (1866, 27545), (2177, 23610), (2361, 21770), (3110, 16527), (3935, 13062), (4354, 11805), (4665, 11018), (4722, 10885), (5509, 9330), (6531, 7870)]