72405340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{73883}}^1$

素因数の和:73906

約数の個数: 36

約数和(自身を含む): 176878296

約数和(自身を除く): 104472956

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 73883, 147766, 295532, 369415, 517181, 738830, 1034362, 1477660, 2068724, 2585905, 3620267, 5171810, 7240534, 10343620, 14481068, 18101335, 36202670, 72405340]

約数ペア:

[(1, 72405340), (2, 36202670), (4, 18101335), (5, 14481068), (7, 10343620), (10, 7240534), (14, 5171810), (20, 3620267), (28, 2585905), (35, 2068724), (49, 1477660), (70, 1034362), (98, 738830), (140, 517181), (196, 369415), (245, 295532), (490, 147766), (980, 73883)]