390216320

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{46901}}^1$

素因数の和:46933

約数の個数: 64

約数和(自身を含む): 1004640840

約数和(自身を除く): 614424520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 4160, 8320, 46901, 93802, 187604, 234505, 375208, 469010, 609713, 750416, 938020, 1219426, 1500832, 1876040, 2438852, 3001664, 3048565, 3752080, 4877704, 6003328, 6097130, 7504160, 9755408, 12194260, 15008320, 19510816, 24388520, 30016640, 39021632, 48777040, 78043264, 97554080, 195108160, 390216320]

約数ペア:

[(1, 390216320), (2, 195108160), (4, 97554080), (5, 78043264), (8, 48777040), (10, 39021632), (13, 30016640), (16, 24388520), (20, 19510816), (26, 15008320), (32, 12194260), (40, 9755408), (52, 7504160), (64, 6097130), (65, 6003328), (80, 4877704), (104, 3752080), (128, 3048565), (130, 3001664), (160, 2438852), (208, 1876040), (260, 1500832), (320, 1219426), (416, 938020), (520, 750416), (640, 609713), (832, 469010), (1040, 375208), (1664, 234505), (2080, 187604), (4160, 93802), (8320, 46901)]