354267940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{281}}^1\times {\mathrm{373}}^1$

素因数の和:689

約数の個数: 72

約数和(自身を含む): 810627048

約数和(自身を除く): 456359108

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 281, 338, 373, 562, 676, 746, 845, 1124, 1405, 1492, 1690, 1865, 2810, 3380, 3653, 3730, 4849, 5620, 7306, 7460, 9698, 14612, 18265, 19396, 24245, 36530, 47489, 48490, 63037, 73060, 94978, 96980, 104813, 126074, 189956, 209626, 237445, 252148, 315185, 419252, 474890, 524065, 630370, 949780, 1048130, 1260740, 1362569, 2096260, 2725138, 5450276, 6812845, 13625690, 17713397, 27251380, 35426794, 70853588, 88566985, 177133970, 354267940]

約数ペア:

[(1, 354267940), (2, 177133970), (4, 88566985), (5, 70853588), (10, 35426794), (13, 27251380), (20, 17713397), (26, 13625690), (52, 6812845), (65, 5450276), (130, 2725138), (169, 2096260), (260, 1362569), (281, 1260740), (338, 1048130), (373, 949780), (562, 630370), (676, 524065), (746, 474890), (845, 419252), (1124, 315185), (1405, 252148), (1492, 237445), (1690, 209626), (1865, 189956), (2810, 126074), (3380, 104813), (3653, 96980), (3730, 94978), (4849, 73060), (5620, 63037), (7306, 48490), (7460, 47489), (9698, 36530), (14612, 24245), (18265, 19396)]