398341520

素因数分解:

$2^4\times 5^1\times {\mathrm{733}}^1\times {\mathrm{6793}}^1$

素因数の和:7539

約数の個数: 40

約数和(自身を含む): 927544056

約数和(自身を除く): 529202536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 733, 1466, 2932, 3665, 5864, 6793, 7330, 11728, 13586, 14660, 27172, 29320, 33965, 54344, 58640, 67930, 108688, 135860, 271720, 543440, 4979269, 9958538, 19917076, 24896345, 39834152, 49792690, 79668304, 99585380, 199170760, 398341520]

約数ペア:

[(1, 398341520), (2, 199170760), (4, 99585380), (5, 79668304), (8, 49792690), (10, 39834152), (16, 24896345), (20, 19917076), (40, 9958538), (80, 4979269), (733, 543440), (1466, 271720), (2932, 135860), (3665, 108688), (5864, 67930), (6793, 58640), (7330, 54344), (11728, 33965), (13586, 29320), (14660, 27172)]