27857180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{349}}^1$

素因数の和:678

約数の個数: 48

約数和(自身を含む): 63386400

約数和(自身を除く): 35529220

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 307, 349, 614, 698, 1228, 1396, 1535, 1745, 3070, 3490, 3991, 4537, 6140, 6980, 7982, 9074, 15964, 18148, 19955, 22685, 39910, 45370, 79820, 90740, 107143, 214286, 428572, 535715, 1071430, 1392859, 2142860, 2785718, 5571436, 6964295, 13928590, 27857180]

約数ペア:

[(1, 27857180), (2, 13928590), (4, 6964295), (5, 5571436), (10, 2785718), (13, 2142860), (20, 1392859), (26, 1071430), (52, 535715), (65, 428572), (130, 214286), (260, 107143), (307, 90740), (349, 79820), (614, 45370), (698, 39910), (1228, 22685), (1396, 19955), (1535, 18148), (1745, 15964), (3070, 9074), (3490, 7982), (3991, 6980), (4537, 6140)]