12286820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:229

約数の個数: 96

約数和(自身を含む): 32702208

約数和(自身を除く): 20415388

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 43, 52, 65, 70, 86, 91, 130, 140, 157, 172, 182, 215, 260, 301, 314, 364, 430, 455, 559, 602, 628, 785, 860, 910, 1099, 1118, 1204, 1505, 1570, 1820, 2041, 2198, 2236, 2795, 3010, 3140, 3913, 4082, 4396, 5495, 5590, 6020, 6751, 7826, 8164, 10205, 10990, 11180, 13502, 14287, 15652, 19565, 20410, 21980, 27004, 28574, 33755, 39130, 40820, 47257, 57148, 67510, 71435, 78260, 87763, 94514, 135020, 142870, 175526, 189028, 236285, 285740, 351052, 438815, 472570, 614341, 877630, 945140, 1228682, 1755260, 2457364, 3071705, 6143410, 12286820]

約数ペア:

[(1, 12286820), (2, 6143410), (4, 3071705), (5, 2457364), (7, 1755260), (10, 1228682), (13, 945140), (14, 877630), (20, 614341), (26, 472570), (28, 438815), (35, 351052), (43, 285740), (52, 236285), (65, 189028), (70, 175526), (86, 142870), (91, 135020), (130, 94514), (140, 87763), (157, 78260), (172, 71435), (182, 67510), (215, 57148), (260, 47257), (301, 40820), (314, 39130), (364, 33755), (430, 28574), (455, 27004), (559, 21980), (602, 20410), (628, 19565), (785, 15652), (860, 14287), (910, 13502), (1099, 11180), (1118, 10990), (1204, 10205), (1505, 8164), (1570, 7826), (1820, 6751), (2041, 6020), (2198, 5590), (2236, 5495), (2795, 4396), (3010, 4082), (3140, 3913)]