249969510

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{6961}}^1$

素因数の和:7003

約数の個数: 128

約数和(自身を含む): 802022400

約数和(自身を除く): 552052890

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 27, 30, 35, 38, 42, 45, 54, 57, 63, 70, 90, 95, 105, 114, 126, 133, 135, 171, 189, 190, 210, 266, 270, 285, 315, 342, 378, 399, 513, 570, 630, 665, 798, 855, 945, 1026, 1197, 1330, 1710, 1890, 1995, 2394, 2565, 3591, 3990, 5130, 5985, 6961, 7182, 11970, 13922, 17955, 20883, 34805, 35910, 41766, 48727, 62649, 69610, 97454, 104415, 125298, 132259, 146181, 187947, 208830, 243635, 264518, 292362, 313245, 375894, 396777, 438543, 487270, 626490, 661295, 730905, 793554, 877086, 925813, 939735, 1190331, 1315629, 1322590, 1461810, 1851626, 1879470, 1983885, 2192715, 2380662, 2631258, 2777439, 3570993, 3967770, 4385430, 4629065, 5554878, 5951655, 6578145, 7141986, 8332317, 9258130, 11903310, 13156290, 13887195, 16664634, 17854965, 24996951, 27774390, 35709930, 41661585, 49993902, 83323170, 124984755, 249969510]

約数ペア:

[(1, 249969510), (2, 124984755), (3, 83323170), (5, 49993902), (6, 41661585), (7, 35709930), (9, 27774390), (10, 24996951), (14, 17854965), (15, 16664634), (18, 13887195), (19, 13156290), (21, 11903310), (27, 9258130), (30, 8332317), (35, 7141986), (38, 6578145), (42, 5951655), (45, 5554878), (54, 4629065), (57, 4385430), (63, 3967770), (70, 3570993), (90, 2777439), (95, 2631258), (105, 2380662), (114, 2192715), (126, 1983885), (133, 1879470), (135, 1851626), (171, 1461810), (189, 1322590), (190, 1315629), (210, 1190331), (266, 939735), (270, 925813), (285, 877086), (315, 793554), (342, 730905), (378, 661295), (399, 626490), (513, 487270), (570, 438543), (630, 396777), (665, 375894), (798, 313245), (855, 292362), (945, 264518), (1026, 243635), (1197, 208830), (1330, 187947), (1710, 146181), (1890, 132259), (1995, 125298), (2394, 104415), (2565, 97454), (3591, 69610), (3990, 62649), (5130, 48727), (5985, 41766), (6961, 35910), (7182, 34805), (11970, 20883), (13922, 17955)]