139176940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{18757}}^1$

素因数の和:18826

約数の個数: 48

約数和(自身を含む): 340345152

約数和(自身を除く): 201168212

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 106, 140, 212, 265, 371, 530, 742, 1060, 1484, 1855, 3710, 7420, 18757, 37514, 75028, 93785, 131299, 187570, 262598, 375140, 525196, 656495, 994121, 1312990, 1988242, 2625980, 3976484, 4970605, 6958847, 9941210, 13917694, 19882420, 27835388, 34794235, 69588470, 139176940]

約数ペア:

[(1, 139176940), (2, 69588470), (4, 34794235), (5, 27835388), (7, 19882420), (10, 13917694), (14, 9941210), (20, 6958847), (28, 4970605), (35, 3976484), (53, 2625980), (70, 1988242), (106, 1312990), (140, 994121), (212, 656495), (265, 525196), (371, 375140), (530, 262598), (742, 187570), (1060, 131299), (1484, 93785), (1855, 75028), (3710, 37514), (7420, 18757)]