212965660

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{6481}}^1$

素因数の和:6574

約数の個数: 48

約数和(自身を含む): 470437632

約数和(自身を除く): 257471972

約数列:

[1, 2, 4, 5, 10, 20, 31, 53, 62, 106, 124, 155, 212, 265, 310, 530, 620, 1060, 1643, 3286, 6481, 6572, 8215, 12962, 16430, 25924, 32405, 32860, 64810, 129620, 200911, 343493, 401822, 686986, 803644, 1004555, 1373972, 1717465, 2009110, 3434930, 4018220, 6869860, 10648283, 21296566, 42593132, 53241415, 106482830, 212965660]

約数ペア:

[(1, 212965660), (2, 106482830), (4, 53241415), (5, 42593132), (10, 21296566), (20, 10648283), (31, 6869860), (53, 4018220), (62, 3434930), (106, 2009110), (124, 1717465), (155, 1373972), (212, 1004555), (265, 803644), (310, 686986), (530, 401822), (620, 343493), (1060, 200911), (1643, 129620), (3286, 64810), (6481, 32860), (6572, 32405), (8215, 25924), (12962, 16430)]