4807780

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:208

約数の個数: 48

約数和(自身を含む): 10629360

約数和(自身を除く): 5821580

約数列:

[1, 2, 4, 5, 10, 20, 37, 73, 74, 89, 146, 148, 178, 185, 292, 356, 365, 370, 445, 730, 740, 890, 1460, 1780, 2701, 3293, 5402, 6497, 6586, 10804, 12994, 13172, 13505, 16465, 25988, 27010, 32485, 32930, 54020, 64970, 65860, 129940, 240389, 480778, 961556, 1201945, 2403890, 4807780]

約数ペア:

[(1, 4807780), (2, 2403890), (4, 1201945), (5, 961556), (10, 480778), (20, 240389), (37, 129940), (73, 65860), (74, 64970), (89, 54020), (146, 32930), (148, 32485), (178, 27010), (185, 25988), (292, 16465), (356, 13505), (365, 13172), (370, 12994), (445, 10804), (730, 6586), (740, 6497), (890, 5402), (1460, 3293), (1780, 2701)]