420020748

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{139}}^1\times {\mathrm{571}}^1$

素因数の和:737

約数の個数: 144

約数和(自身を含む): 1278076800

約数和(自身を除く): 858056052

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 84, 98, 108, 126, 139, 147, 189, 196, 252, 278, 294, 378, 417, 441, 556, 571, 588, 756, 834, 882, 973, 1142, 1251, 1323, 1668, 1713, 1764, 1946, 2284, 2502, 2646, 2919, 3426, 3753, 3892, 3997, 5004, 5139, 5292, 5838, 6811, 6852, 7506, 7994, 8757, 10278, 11676, 11991, 13622, 15012, 15417, 15988, 17514, 20433, 20556, 23982, 26271, 27244, 27979, 30834, 35028, 35973, 40866, 47964, 52542, 55958, 61299, 61668, 71946, 79369, 81732, 83937, 105084, 107919, 111916, 122598, 143892, 158738, 167874, 183897, 215838, 238107, 245196, 251811, 317476, 335748, 367794, 431676, 476214, 503622, 555583, 714321, 735588, 755433, 952428, 1007244, 1111166, 1428642, 1510866, 1666749, 2142963, 2222332, 2857284, 3021732, 3333498, 3889081, 4285926, 5000247, 6666996, 7778162, 8571852, 10000494, 11667243, 15000741, 15556324, 20000988, 23334486, 30001482, 35001729, 46668972, 60002964, 70003458, 105005187, 140006916, 210010374, 420020748]

約数ペア:

[(1, 420020748), (2, 210010374), (3, 140006916), (4, 105005187), (6, 70003458), (7, 60002964), (9, 46668972), (12, 35001729), (14, 30001482), (18, 23334486), (21, 20000988), (27, 15556324), (28, 15000741), (36, 11667243), (42, 10000494), (49, 8571852), (54, 7778162), (63, 6666996), (84, 5000247), (98, 4285926), (108, 3889081), (126, 3333498), (139, 3021732), (147, 2857284), (189, 2222332), (196, 2142963), (252, 1666749), (278, 1510866), (294, 1428642), (378, 1111166), (417, 1007244), (441, 952428), (556, 755433), (571, 735588), (588, 714321), (756, 555583), (834, 503622), (882, 476214), (973, 431676), (1142, 367794), (1251, 335748), (1323, 317476), (1668, 251811), (1713, 245196), (1764, 238107), (1946, 215838), (2284, 183897), (2502, 167874), (2646, 158738), (2919, 143892), (3426, 122598), (3753, 111916), (3892, 107919), (3997, 105084), (5004, 83937), (5139, 81732), (5292, 79369), (5838, 71946), (6811, 61668), (6852, 61299), (7506, 55958), (7994, 52542), (8757, 47964), (10278, 40866), (11676, 35973), (11991, 35028), (13622, 30834), (15012, 27979), (15417, 27244), (15988, 26271), (17514, 23982), (20433, 20556)]