7209930

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:188

約数の個数: 128

約数和(自身を含む): 22579200

約数和(自身を除く): 15369270

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 19, 21, 26, 30, 35, 38, 39, 42, 57, 65, 70, 78, 91, 95, 105, 114, 130, 133, 139, 182, 190, 195, 210, 247, 266, 273, 278, 285, 390, 399, 417, 455, 494, 546, 570, 665, 695, 741, 798, 834, 910, 973, 1235, 1330, 1365, 1390, 1482, 1729, 1807, 1946, 1995, 2085, 2470, 2641, 2730, 2919, 3458, 3614, 3705, 3990, 4170, 4865, 5187, 5282, 5421, 5838, 7410, 7923, 8645, 9035, 9730, 10374, 10842, 12649, 13205, 14595, 15846, 17290, 18070, 18487, 25298, 25935, 26410, 27105, 29190, 34333, 36974, 37947, 39615, 51870, 54210, 55461, 63245, 68666, 75894, 79230, 92435, 102999, 110922, 126490, 171665, 184870, 189735, 205998, 240331, 277305, 343330, 379470, 480662, 514995, 554610, 720993, 1029990, 1201655, 1441986, 2403310, 3604965, 7209930]

約数ペア:

[(1, 7209930), (2, 3604965), (3, 2403310), (5, 1441986), (6, 1201655), (7, 1029990), (10, 720993), (13, 554610), (14, 514995), (15, 480662), (19, 379470), (21, 343330), (26, 277305), (30, 240331), (35, 205998), (38, 189735), (39, 184870), (42, 171665), (57, 126490), (65, 110922), (70, 102999), (78, 92435), (91, 79230), (95, 75894), (105, 68666), (114, 63245), (130, 55461), (133, 54210), (139, 51870), (182, 39615), (190, 37947), (195, 36974), (210, 34333), (247, 29190), (266, 27105), (273, 26410), (278, 25935), (285, 25298), (390, 18487), (399, 18070), (417, 17290), (455, 15846), (494, 14595), (546, 13205), (570, 12649), (665, 10842), (695, 10374), (741, 9730), (798, 9035), (834, 8645), (910, 7923), (973, 7410), (1235, 5838), (1330, 5421), (1365, 5282), (1390, 5187), (1482, 4865), (1729, 4170), (1807, 3990), (1946, 3705), (1995, 3614), (2085, 3458), (2470, 2919), (2641, 2730)]