211439220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{193}}^1$

素因数の和:286

約数の個数: 144

約数和(自身を含む): 647277120

約数和(自身を除く): 435837900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 31, 38, 57, 60, 62, 76, 93, 95, 114, 124, 155, 186, 190, 193, 228, 285, 310, 372, 380, 386, 465, 570, 579, 589, 620, 772, 930, 961, 965, 1140, 1158, 1178, 1767, 1860, 1922, 1930, 2316, 2356, 2883, 2895, 2945, 3534, 3667, 3844, 3860, 4805, 5766, 5790, 5890, 5983, 7068, 7334, 8835, 9610, 11001, 11532, 11580, 11780, 11966, 14415, 14668, 17670, 17949, 18259, 18335, 19220, 22002, 23932, 28830, 29915, 35340, 35898, 36518, 36670, 44004, 54777, 55005, 57660, 59830, 71796, 73036, 73340, 89745, 91295, 109554, 110010, 113677, 119660, 179490, 182590, 185473, 219108, 220020, 227354, 273885, 341031, 358980, 365180, 370946, 454708, 547770, 556419, 568385, 682062, 741892, 927365, 1095540, 1112838, 1136770, 1364124, 1705155, 1854730, 2225676, 2273540, 2782095, 3410310, 3523987, 3709460, 5564190, 6820620, 7047974, 10571961, 11128380, 14095948, 17619935, 21143922, 35239870, 42287844, 52859805, 70479740, 105719610, 211439220]

約数ペア:

[(1, 211439220), (2, 105719610), (3, 70479740), (4, 52859805), (5, 42287844), (6, 35239870), (10, 21143922), (12, 17619935), (15, 14095948), (19, 11128380), (20, 10571961), (30, 7047974), (31, 6820620), (38, 5564190), (57, 3709460), (60, 3523987), (62, 3410310), (76, 2782095), (93, 2273540), (95, 2225676), (114, 1854730), (124, 1705155), (155, 1364124), (186, 1136770), (190, 1112838), (193, 1095540), (228, 927365), (285, 741892), (310, 682062), (372, 568385), (380, 556419), (386, 547770), (465, 454708), (570, 370946), (579, 365180), (589, 358980), (620, 341031), (772, 273885), (930, 227354), (961, 220020), (965, 219108), (1140, 185473), (1158, 182590), (1178, 179490), (1767, 119660), (1860, 113677), (1922, 110010), (1930, 109554), (2316, 91295), (2356, 89745), (2883, 73340), (2895, 73036), (2945, 71796), (3534, 59830), (3667, 57660), (3844, 55005), (3860, 54777), (4805, 44004), (5766, 36670), (5790, 36518), (5890, 35898), (5983, 35340), (7068, 29915), (7334, 28830), (8835, 23932), (9610, 22002), (11001, 19220), (11532, 18335), (11580, 18259), (11780, 17949), (11966, 17670), (14415, 14668)]