281372504

素因数分解:

$2^3\times 7^3\times {\mathrm{41}}^2\times {\mathrm{61}}^1$

素因数の和:170

約数の個数: 96

約数和(自身を含む): 640956000

約数和(自身を除く): 359583496

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 49, 56, 61, 82, 98, 122, 164, 196, 244, 287, 328, 343, 392, 427, 488, 574, 686, 854, 1148, 1372, 1681, 1708, 2009, 2296, 2501, 2744, 2989, 3362, 3416, 4018, 5002, 5978, 6724, 8036, 10004, 11767, 11956, 13448, 14063, 16072, 17507, 20008, 20923, 23534, 23912, 28126, 35014, 41846, 47068, 56252, 70028, 82369, 83692, 94136, 102541, 112504, 122549, 140056, 164738, 167384, 205082, 245098, 329476, 410164, 490196, 576583, 658952, 717787, 820328, 857843, 980392, 1153166, 1435574, 1715686, 2306332, 2871148, 3431372, 4612664, 5024509, 5742296, 6862744, 10049018, 20098036, 35171563, 40196072, 70343126, 140686252, 281372504]

約数ペア:

[(1, 281372504), (2, 140686252), (4, 70343126), (7, 40196072), (8, 35171563), (14, 20098036), (28, 10049018), (41, 6862744), (49, 5742296), (56, 5024509), (61, 4612664), (82, 3431372), (98, 2871148), (122, 2306332), (164, 1715686), (196, 1435574), (244, 1153166), (287, 980392), (328, 857843), (343, 820328), (392, 717787), (427, 658952), (488, 576583), (574, 490196), (686, 410164), (854, 329476), (1148, 245098), (1372, 205082), (1681, 167384), (1708, 164738), (2009, 140056), (2296, 122549), (2501, 112504), (2744, 102541), (2989, 94136), (3362, 83692), (3416, 82369), (4018, 70028), (5002, 56252), (5978, 47068), (6724, 41846), (8036, 35014), (10004, 28126), (11767, 23912), (11956, 23534), (13448, 20923), (14063, 20008), (16072, 17507)]