254453130

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{257}}^1$

素因数の和:485

約数の個数: 128

約数和(自身を含む): 720748800

約数和(自身を除く): 466295670

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 38, 45, 54, 57, 90, 95, 114, 135, 171, 190, 193, 257, 270, 285, 342, 386, 513, 514, 570, 579, 771, 855, 965, 1026, 1158, 1285, 1542, 1710, 1737, 1930, 2313, 2565, 2570, 2895, 3474, 3667, 3855, 4626, 4883, 5130, 5211, 5790, 6939, 7334, 7710, 8685, 9766, 10422, 11001, 11565, 13878, 14649, 17370, 18335, 22002, 23130, 24415, 26055, 29298, 33003, 34695, 36670, 43947, 48830, 49601, 52110, 55005, 66006, 69390, 73245, 87894, 99009, 99202, 110010, 131841, 146490, 148803, 165015, 198018, 219735, 248005, 263682, 297606, 330030, 439470, 446409, 495045, 496010, 659205, 744015, 892818, 942419, 990090, 1318410, 1339227, 1488030, 1884838, 2232045, 2678454, 2827257, 4464090, 4712095, 5654514, 6696135, 8481771, 9424190, 13392270, 14136285, 16963542, 25445313, 28272570, 42408855, 50890626, 84817710, 127226565, 254453130]

約数ペア:

[(1, 254453130), (2, 127226565), (3, 84817710), (5, 50890626), (6, 42408855), (9, 28272570), (10, 25445313), (15, 16963542), (18, 14136285), (19, 13392270), (27, 9424190), (30, 8481771), (38, 6696135), (45, 5654514), (54, 4712095), (57, 4464090), (90, 2827257), (95, 2678454), (114, 2232045), (135, 1884838), (171, 1488030), (190, 1339227), (193, 1318410), (257, 990090), (270, 942419), (285, 892818), (342, 744015), (386, 659205), (513, 496010), (514, 495045), (570, 446409), (579, 439470), (771, 330030), (855, 297606), (965, 263682), (1026, 248005), (1158, 219735), (1285, 198018), (1542, 165015), (1710, 148803), (1737, 146490), (1930, 131841), (2313, 110010), (2565, 99202), (2570, 99009), (2895, 87894), (3474, 73245), (3667, 69390), (3855, 66006), (4626, 55005), (4883, 52110), (5130, 49601), (5211, 48830), (5790, 43947), (6939, 36670), (7334, 34695), (7710, 33003), (8685, 29298), (9766, 26055), (10422, 24415), (11001, 23130), (11565, 22002), (13878, 18335), (14649, 17370)]