278399970

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{54269}}^1$

素因数の和:54304

約数の個数: 64

約数和(自身を含む): 781488000

約数和(自身を除く): 503088030

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 38, 45, 54, 57, 90, 95, 114, 135, 171, 190, 270, 285, 342, 513, 570, 855, 1026, 1710, 2565, 5130, 54269, 108538, 162807, 271345, 325614, 488421, 542690, 814035, 976842, 1031111, 1465263, 1628070, 2062222, 2442105, 2930526, 3093333, 4884210, 5155555, 6186666, 7326315, 9279999, 10311110, 14652630, 15466665, 18559998, 27839997, 30933330, 46399995, 55679994, 92799990, 139199985, 278399970]

約数ペア:

[(1, 278399970), (2, 139199985), (3, 92799990), (5, 55679994), (6, 46399995), (9, 30933330), (10, 27839997), (15, 18559998), (18, 15466665), (19, 14652630), (27, 10311110), (30, 9279999), (38, 7326315), (45, 6186666), (54, 5155555), (57, 4884210), (90, 3093333), (95, 2930526), (114, 2442105), (135, 2062222), (171, 1628070), (190, 1465263), (270, 1031111), (285, 976842), (342, 814035), (513, 542690), (570, 488421), (855, 325614), (1026, 271345), (1710, 162807), (2565, 108538), (5130, 54269)]