290535307780

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{367}}^1\times {\mathrm{746839}}^1$

素因数の和:747268

約数の個数: 48

約数和(自身を含む): 623330588160

約数和(自身を除く): 332795280380

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 367, 530, 734, 1060, 1468, 1835, 3670, 7340, 19451, 38902, 77804, 97255, 194510, 389020, 746839, 1493678, 2987356, 3734195, 7468390, 14936780, 39582467, 79164934, 158329868, 197912335, 274089913, 395824670, 548179826, 791649340, 1096359652, 1370449565, 2740899130, 5481798260, 14526765389, 29053530778, 58107061556, 72633826945, 145267653890, 290535307780]

約数ペア:

[(1, 290535307780), (2, 145267653890), (4, 72633826945), (5, 58107061556), (10, 29053530778), (20, 14526765389), (53, 5481798260), (106, 2740899130), (212, 1370449565), (265, 1096359652), (367, 791649340), (530, 548179826), (734, 395824670), (1060, 274089913), (1468, 197912335), (1835, 158329868), (3670, 79164934), (7340, 39582467), (19451, 14936780), (38902, 7468390), (77804, 3734195), (97255, 2987356), (194510, 1493678), (389020, 746839)]