290997336

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{509}}^1$

素因数の和:649

約数の個数: 128

約数和(自身を含む): 863654400

約数和(自身を除く): 572657064

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 41, 42, 56, 82, 83, 84, 123, 164, 166, 168, 246, 249, 287, 328, 332, 492, 498, 509, 574, 581, 664, 861, 984, 996, 1018, 1148, 1162, 1527, 1722, 1743, 1992, 2036, 2296, 2324, 3054, 3403, 3444, 3486, 3563, 4072, 4648, 6108, 6806, 6888, 6972, 7126, 10209, 10689, 12216, 13612, 13944, 14252, 20418, 20869, 21378, 23821, 27224, 28504, 40836, 41738, 42247, 42756, 47642, 62607, 71463, 81672, 83476, 84494, 85512, 95284, 125214, 126741, 142926, 146083, 166952, 168988, 190568, 250428, 253482, 285852, 292166, 295729, 337976, 438249, 500856, 506964, 571704, 584332, 591458, 876498, 887187, 1013928, 1168664, 1182916, 1732127, 1752996, 1774374, 2365832, 3464254, 3505992, 3548748, 5196381, 6928508, 7097496, 10392762, 12124889, 13857016, 20785524, 24249778, 36374667, 41571048, 48499556, 72749334, 96999112, 145498668, 290997336]

約数ペア:

[(1, 290997336), (2, 145498668), (3, 96999112), (4, 72749334), (6, 48499556), (7, 41571048), (8, 36374667), (12, 24249778), (14, 20785524), (21, 13857016), (24, 12124889), (28, 10392762), (41, 7097496), (42, 6928508), (56, 5196381), (82, 3548748), (83, 3505992), (84, 3464254), (123, 2365832), (164, 1774374), (166, 1752996), (168, 1732127), (246, 1182916), (249, 1168664), (287, 1013928), (328, 887187), (332, 876498), (492, 591458), (498, 584332), (509, 571704), (574, 506964), (581, 500856), (664, 438249), (861, 337976), (984, 295729), (996, 292166), (1018, 285852), (1148, 253482), (1162, 250428), (1527, 190568), (1722, 168988), (1743, 166952), (1992, 146083), (2036, 142926), (2296, 126741), (2324, 125214), (3054, 95284), (3403, 85512), (3444, 84494), (3486, 83476), (3563, 81672), (4072, 71463), (4648, 62607), (6108, 47642), (6806, 42756), (6888, 42247), (6972, 41738), (7126, 40836), (10209, 28504), (10689, 27224), (12216, 23821), (13612, 21378), (13944, 20869), (14252, 20418)]