278300412

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^2\times {\mathrm{149}}^1\times {\mathrm{307}}^1$

素因数の和:492

約数の個数: 108

約数和(自身を含む): 769368600

約数和(自身を除く): 491068188

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 149, 156, 169, 234, 298, 307, 338, 447, 468, 507, 596, 614, 676, 894, 921, 1014, 1228, 1341, 1521, 1788, 1842, 1937, 2028, 2682, 2763, 3042, 3684, 3874, 3991, 5364, 5526, 5811, 6084, 7748, 7982, 11052, 11622, 11973, 15964, 17433, 23244, 23946, 25181, 34866, 35919, 45743, 47892, 50362, 51883, 69732, 71838, 75543, 91486, 100724, 103766, 137229, 143676, 151086, 155649, 182972, 207532, 226629, 274458, 302172, 311298, 411687, 453258, 466947, 548916, 594659, 622596, 823374, 906516, 933894, 1189318, 1646748, 1783977, 1867788, 2378636, 3567954, 5351931, 7135908, 7730567, 10703862, 15461134, 21407724, 23191701, 30922268, 46383402, 69575103, 92766804, 139150206, 278300412]

約数ペア:

[(1, 278300412), (2, 139150206), (3, 92766804), (4, 69575103), (6, 46383402), (9, 30922268), (12, 23191701), (13, 21407724), (18, 15461134), (26, 10703862), (36, 7730567), (39, 7135908), (52, 5351931), (78, 3567954), (117, 2378636), (149, 1867788), (156, 1783977), (169, 1646748), (234, 1189318), (298, 933894), (307, 906516), (338, 823374), (447, 622596), (468, 594659), (507, 548916), (596, 466947), (614, 453258), (676, 411687), (894, 311298), (921, 302172), (1014, 274458), (1228, 226629), (1341, 207532), (1521, 182972), (1788, 155649), (1842, 151086), (1937, 143676), (2028, 137229), (2682, 103766), (2763, 100724), (3042, 91486), (3684, 75543), (3874, 71838), (3991, 69732), (5364, 51883), (5526, 50362), (5811, 47892), (6084, 45743), (7748, 35919), (7982, 34866), (11052, 25181), (11622, 23946), (11973, 23244), (15964, 17433)]