2555887315

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:328

約数の個数: 64

約数和(自身を含む): 3423772800

約数和(自身を除く): 867885485

約数列:

[1, 5, 19, 41, 73, 89, 95, 101, 205, 365, 445, 505, 779, 1387, 1691, 1919, 2993, 3649, 3895, 4141, 6497, 6935, 7373, 8455, 8989, 9595, 14965, 18245, 20705, 32485, 36865, 44945, 56867, 69331, 78679, 123443, 140087, 170791, 266377, 284335, 302293, 346655, 368549, 393395, 617215, 656197, 700435, 853955, 1331885, 1511465, 1842745, 3280985, 5061163, 5743567, 7002431, 12467743, 25305815, 26904077, 28717835, 35012155, 62338715, 134520385, 511177463, 2555887315]

約数ペア:

[(1, 2555887315), (5, 511177463), (19, 134520385), (41, 62338715), (73, 35012155), (89, 28717835), (95, 26904077), (101, 25305815), (205, 12467743), (365, 7002431), (445, 5743567), (505, 5061163), (779, 3280985), (1387, 1842745), (1691, 1511465), (1919, 1331885), (2993, 853955), (3649, 700435), (3895, 656197), (4141, 617215), (6497, 393395), (6935, 368549), (7373, 346655), (8455, 302293), (8989, 284335), (9595, 266377), (14965, 170791), (18245, 140087), (20705, 123443), (32485, 78679), (36865, 69331), (44945, 56867)]