208889325

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{373}}^1$

素因数の和:539

約数の個数: 72

約数和(自身を含む): 397906080

約数和(自身を除く): 189016755

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 95, 131, 171, 225, 285, 373, 393, 475, 655, 855, 1119, 1179, 1425, 1865, 1965, 2489, 3275, 3357, 4275, 5595, 5895, 7087, 7467, 9325, 9825, 12445, 16785, 21261, 22401, 27975, 29475, 35435, 37335, 48863, 62225, 63783, 83925, 106305, 112005, 146589, 177175, 186675, 244315, 318915, 439767, 531525, 560025, 732945, 928397, 1221575, 1594575, 2198835, 2785191, 3664725, 4641985, 8355573, 10994175, 13925955, 23209925, 41777865, 69629775, 208889325]

約数ペア:

[(1, 208889325), (3, 69629775), (5, 41777865), (9, 23209925), (15, 13925955), (19, 10994175), (25, 8355573), (45, 4641985), (57, 3664725), (75, 2785191), (95, 2198835), (131, 1594575), (171, 1221575), (225, 928397), (285, 732945), (373, 560025), (393, 531525), (475, 439767), (655, 318915), (855, 244315), (1119, 186675), (1179, 177175), (1425, 146589), (1865, 112005), (1965, 106305), (2489, 83925), (3275, 63783), (3357, 62225), (4275, 48863), (5595, 37335), (5895, 35435), (7087, 29475), (7467, 27975), (9325, 22401), (9825, 21261), (12445, 16785)]