251853756

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{349}}^1$

素因数の和:456

約数の個数: 144

約数和(自身を含む): 750758400

約数和(自身を除く): 498904644

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 71, 77, 84, 121, 132, 142, 154, 213, 231, 242, 284, 308, 349, 363, 426, 462, 484, 497, 698, 726, 781, 847, 852, 924, 994, 1047, 1396, 1452, 1491, 1562, 1694, 1988, 2094, 2343, 2443, 2541, 2982, 3124, 3388, 3839, 4188, 4686, 4886, 5082, 5467, 5964, 7329, 7678, 8591, 9372, 9772, 10164, 10934, 11517, 14658, 15356, 16401, 17182, 21868, 23034, 24779, 25773, 26873, 29316, 32802, 34364, 42229, 46068, 49558, 51546, 53746, 60137, 65604, 74337, 80619, 84458, 99116, 103092, 107492, 120274, 126687, 148674, 161238, 168916, 173453, 180411, 240548, 253374, 272569, 295603, 297348, 322476, 346906, 360822, 506748, 520359, 545138, 591206, 693812, 721644, 817707, 886809, 1040718, 1090276, 1182412, 1635414, 1773618, 1907983, 2081436, 2998259, 3270828, 3547236, 3815966, 5723949, 5996518, 7631932, 8994777, 11447898, 11993036, 17989554, 20987813, 22895796, 35979108, 41975626, 62963439, 83951252, 125926878, 251853756]

約数ペア:

[(1, 251853756), (2, 125926878), (3, 83951252), (4, 62963439), (6, 41975626), (7, 35979108), (11, 22895796), (12, 20987813), (14, 17989554), (21, 11993036), (22, 11447898), (28, 8994777), (33, 7631932), (42, 5996518), (44, 5723949), (66, 3815966), (71, 3547236), (77, 3270828), (84, 2998259), (121, 2081436), (132, 1907983), (142, 1773618), (154, 1635414), (213, 1182412), (231, 1090276), (242, 1040718), (284, 886809), (308, 817707), (349, 721644), (363, 693812), (426, 591206), (462, 545138), (484, 520359), (497, 506748), (698, 360822), (726, 346906), (781, 322476), (847, 297348), (852, 295603), (924, 272569), (994, 253374), (1047, 240548), (1396, 180411), (1452, 173453), (1491, 168916), (1562, 161238), (1694, 148674), (1988, 126687), (2094, 120274), (2343, 107492), (2443, 103092), (2541, 99116), (2982, 84458), (3124, 80619), (3388, 74337), (3839, 65604), (4188, 60137), (4686, 53746), (4886, 51546), (5082, 49558), (5467, 46068), (5964, 42229), (7329, 34364), (7678, 32802), (8591, 29316), (9372, 26873), (9772, 25773), (10164, 24779), (10934, 23034), (11517, 21868), (14658, 17182), (15356, 16401)]