387633040

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{79433}}^1$

素因数の和:79507

約数の個数: 40

約数和(自身を含む): 916032888

約数和(自身を除く): 528399848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 79433, 158866, 317732, 397165, 635464, 794330, 1270928, 1588660, 3177320, 4845413, 6354640, 9690826, 19381652, 24227065, 38763304, 48454130, 77526608, 96908260, 193816520, 387633040]

約数ペア:

[(1, 387633040), (2, 193816520), (4, 96908260), (5, 77526608), (8, 48454130), (10, 38763304), (16, 24227065), (20, 19381652), (40, 9690826), (61, 6354640), (80, 4845413), (122, 3177320), (244, 1588660), (305, 1270928), (488, 794330), (610, 635464), (976, 397165), (1220, 317732), (2440, 158866), (4880, 79433)]