311918516

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{379}}^1$

素因数の和:446

約数の個数: 144

約数和(自身を含む): 764164800

約数和(自身を除く): 452246284

約数列:

[1, 2, 4, 7, 13, 14, 17, 19, 26, 28, 34, 38, 49, 52, 68, 76, 91, 98, 119, 133, 182, 196, 221, 238, 247, 266, 323, 364, 379, 442, 476, 494, 532, 637, 646, 758, 833, 884, 931, 988, 1274, 1292, 1516, 1547, 1666, 1729, 1862, 2261, 2548, 2653, 3094, 3332, 3458, 3724, 4199, 4522, 4927, 5306, 6188, 6443, 6916, 7201, 8398, 9044, 9854, 10612, 10829, 12103, 12886, 14402, 15827, 16796, 18571, 19708, 21658, 24206, 25772, 28804, 29393, 31654, 34489, 37142, 43316, 45101, 48412, 50407, 58786, 63308, 68978, 74284, 83759, 90202, 93613, 100814, 117572, 122417, 137956, 167518, 180404, 187226, 201628, 205751, 241423, 244834, 315707, 335036, 352849, 374452, 411502, 482846, 489668, 586313, 631414, 655291, 705698, 823004, 856919, 965692, 1172626, 1262828, 1310582, 1411396, 1591421, 1713838, 2345252, 2621164, 3182842, 3427676, 4104191, 4587037, 5998433, 6365684, 8208382, 9174074, 11139947, 11996866, 16416764, 18348148, 22279894, 23993732, 44559788, 77979629, 155959258, 311918516]

約数ペア:

[(1, 311918516), (2, 155959258), (4, 77979629), (7, 44559788), (13, 23993732), (14, 22279894), (17, 18348148), (19, 16416764), (26, 11996866), (28, 11139947), (34, 9174074), (38, 8208382), (49, 6365684), (52, 5998433), (68, 4587037), (76, 4104191), (91, 3427676), (98, 3182842), (119, 2621164), (133, 2345252), (182, 1713838), (196, 1591421), (221, 1411396), (238, 1310582), (247, 1262828), (266, 1172626), (323, 965692), (364, 856919), (379, 823004), (442, 705698), (476, 655291), (494, 631414), (532, 586313), (637, 489668), (646, 482846), (758, 411502), (833, 374452), (884, 352849), (931, 335036), (988, 315707), (1274, 244834), (1292, 241423), (1516, 205751), (1547, 201628), (1666, 187226), (1729, 180404), (1862, 167518), (2261, 137956), (2548, 122417), (2653, 117572), (3094, 100814), (3332, 93613), (3458, 90202), (3724, 83759), (4199, 74284), (4522, 68978), (4927, 63308), (5306, 58786), (6188, 50407), (6443, 48412), (6916, 45101), (7201, 43316), (8398, 37142), (9044, 34489), (9854, 31654), (10612, 29393), (10829, 28804), (12103, 25772), (12886, 24206), (14402, 21658), (15827, 19708), (16796, 18571)]