47792140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{1993}}^1$

素因数の和:2122

約数の個数: 48

約数和(自身を含む): 110547360

約数和(自身を除く): 62755220

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 109, 110, 218, 220, 436, 545, 1090, 1199, 1993, 2180, 2398, 3986, 4796, 5995, 7972, 9965, 11990, 19930, 21923, 23980, 39860, 43846, 87692, 109615, 217237, 219230, 434474, 438460, 868948, 1086185, 2172370, 2389607, 4344740, 4779214, 9558428, 11948035, 23896070, 47792140]

約数ペア:

[(1, 47792140), (2, 23896070), (4, 11948035), (5, 9558428), (10, 4779214), (11, 4344740), (20, 2389607), (22, 2172370), (44, 1086185), (55, 868948), (109, 438460), (110, 434474), (218, 219230), (220, 217237), (436, 109615), (545, 87692), (1090, 43846), (1199, 39860), (1993, 23980), (2180, 21923), (2398, 19930), (3986, 11990), (4796, 9965), (5995, 7972)]