28401010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1$

素因数の和:271

約数の個数: 64

約数和(自身を含む): 59719680

約数和(自身を除く): 31318670

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 107, 110, 127, 190, 209, 214, 254, 418, 535, 635, 1045, 1070, 1177, 1270, 1397, 2033, 2090, 2354, 2413, 2794, 4066, 4826, 5885, 6985, 10165, 11770, 12065, 13589, 13970, 20330, 22363, 24130, 26543, 27178, 44726, 53086, 67945, 111815, 132715, 135890, 149479, 223630, 258191, 265430, 298958, 516382, 747395, 1290955, 1494790, 2581910, 2840101, 5680202, 14200505, 28401010]

約数ペア:

[(1, 28401010), (2, 14200505), (5, 5680202), (10, 2840101), (11, 2581910), (19, 1494790), (22, 1290955), (38, 747395), (55, 516382), (95, 298958), (107, 265430), (110, 258191), (127, 223630), (190, 149479), (209, 135890), (214, 132715), (254, 111815), (418, 67945), (535, 53086), (635, 44726), (1045, 27178), (1070, 26543), (1177, 24130), (1270, 22363), (1397, 20330), (2033, 13970), (2090, 13589), (2354, 12065), (2413, 11770), (2794, 10165), (4066, 6985), (4826, 5885)]