880123970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{251}}^2$

素因数の和:647

約数の個数: 48

約数和(自身を含む): 1748818944

約数和(自身を除く): 868694974

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 127, 251, 254, 502, 635, 1255, 1270, 1397, 2510, 2761, 2794, 5522, 6985, 13805, 13970, 27610, 31877, 63001, 63754, 126002, 159385, 315005, 318770, 350647, 630010, 693011, 701294, 1386022, 1753235, 3465055, 3506470, 6930110, 8001127, 16002254, 40005635, 80011270, 88012397, 176024794, 440061985, 880123970]

約数ペア:

[(1, 880123970), (2, 440061985), (5, 176024794), (10, 88012397), (11, 80011270), (22, 40005635), (55, 16002254), (110, 8001127), (127, 6930110), (251, 3506470), (254, 3465055), (502, 1753235), (635, 1386022), (1255, 701294), (1270, 693011), (1397, 630010), (2510, 350647), (2761, 318770), (2794, 315005), (5522, 159385), (6985, 126002), (13805, 63754), (13970, 63001), (27610, 31877)]