309491052

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1$

素因数の和:288

約数の個数: 144

約数和(自身を含む): 850010112

約数和(自身を除く): 540519060

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 26, 34, 39, 47, 51, 52, 68, 78, 94, 102, 141, 156, 169, 188, 191, 204, 221, 282, 338, 382, 442, 507, 564, 573, 611, 663, 676, 764, 799, 884, 1014, 1146, 1222, 1326, 1598, 1833, 2028, 2292, 2397, 2444, 2483, 2652, 2873, 3196, 3247, 3666, 4794, 4966, 5746, 6494, 7332, 7449, 7943, 8619, 8977, 9588, 9741, 9932, 10387, 11492, 12988, 14898, 15886, 17238, 17954, 19482, 20774, 23829, 26931, 29796, 31161, 31772, 32279, 34476, 35908, 38964, 41548, 42211, 47658, 53862, 62322, 64558, 84422, 95316, 96837, 107724, 116701, 124644, 126633, 129116, 135031, 152609, 168844, 193674, 233402, 253266, 270062, 305218, 350103, 387348, 405093, 457827, 466804, 506532, 540124, 548743, 610436, 700206, 810186, 915654, 1097486, 1400412, 1517113, 1620372, 1646229, 1831308, 1983917, 2194972, 3034226, 3292458, 3967834, 4551339, 5951751, 6068452, 6584916, 7935668, 9102678, 11903502, 18205356, 23807004, 25790921, 51581842, 77372763, 103163684, 154745526, 309491052]

約数ペア:

[(1, 309491052), (2, 154745526), (3, 103163684), (4, 77372763), (6, 51581842), (12, 25790921), (13, 23807004), (17, 18205356), (26, 11903502), (34, 9102678), (39, 7935668), (47, 6584916), (51, 6068452), (52, 5951751), (68, 4551339), (78, 3967834), (94, 3292458), (102, 3034226), (141, 2194972), (156, 1983917), (169, 1831308), (188, 1646229), (191, 1620372), (204, 1517113), (221, 1400412), (282, 1097486), (338, 915654), (382, 810186), (442, 700206), (507, 610436), (564, 548743), (573, 540124), (611, 506532), (663, 466804), (676, 457827), (764, 405093), (799, 387348), (884, 350103), (1014, 305218), (1146, 270062), (1222, 253266), (1326, 233402), (1598, 193674), (1833, 168844), (2028, 152609), (2292, 135031), (2397, 129116), (2444, 126633), (2483, 124644), (2652, 116701), (2873, 107724), (3196, 96837), (3247, 95316), (3666, 84422), (4794, 64558), (4966, 62322), (5746, 53862), (6494, 47658), (7332, 42211), (7449, 41548), (7943, 38964), (8619, 35908), (8977, 34476), (9588, 32279), (9741, 31772), (9932, 31161), (10387, 29796), (11492, 26931), (12988, 23829), (14898, 20774), (15886, 19482), (17238, 17954)]