390123344

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{3559}}^1$

素因数の和:3628

約数の個数: 80

約数和(自身を含む): 889943040

約数和(自身を除く): 499819696

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 31, 34, 52, 62, 68, 104, 124, 136, 208, 221, 248, 272, 403, 442, 496, 527, 806, 884, 1054, 1612, 1768, 2108, 3224, 3536, 3559, 4216, 6448, 6851, 7118, 8432, 13702, 14236, 27404, 28472, 46267, 54808, 56944, 60503, 92534, 109616, 110329, 121006, 185068, 220658, 242012, 370136, 441316, 484024, 740272, 786539, 882632, 968048, 1434277, 1573078, 1765264, 1875593, 2868554, 3146156, 3751186, 5737108, 6292312, 7502372, 11474216, 12584624, 15004744, 22948432, 24382709, 30009488, 48765418, 97530836, 195061672, 390123344]

約数ペア:

[(1, 390123344), (2, 195061672), (4, 97530836), (8, 48765418), (13, 30009488), (16, 24382709), (17, 22948432), (26, 15004744), (31, 12584624), (34, 11474216), (52, 7502372), (62, 6292312), (68, 5737108), (104, 3751186), (124, 3146156), (136, 2868554), (208, 1875593), (221, 1765264), (248, 1573078), (272, 1434277), (403, 968048), (442, 882632), (496, 786539), (527, 740272), (806, 484024), (884, 441316), (1054, 370136), (1612, 242012), (1768, 220658), (2108, 185068), (3224, 121006), (3536, 110329), (3559, 109616), (4216, 92534), (6448, 60503), (6851, 56944), (7118, 54808), (8432, 46267), (13702, 28472), (14236, 27404)]